<?xml version="1.0" encoding="UTF-8"?>  <!-- encoding must be UTF-8 -->
        
<!-- Metadata for a tech report for use in Google Scholar. It is based on the -->
<!-- NLM Journal Publishing DTD (http://dtd.nlm.nih.gov/publishing/). The     -->
<!-- two changes are: (1) the <articles> element which allows information     -->
<!-- about multiple articles to be included in a single file and (2)          -->
<!-- additional values for the <article-type> element. This file provides     -->
<!-- an example for a technical report and describes the constraints if any   -->
<!-- on the fields. Fields in the NLM Journal Publishing DTD not mentioned    -->
<!-- in this example are ignored at this time.                                -->       

<!-- NBER has decided to use this xml standard instead of journal article     -->
<!-- because none of the papers we issue should be construed as published     -->
<!-- and therefore we should not use the same format as a journal publisher   -->

<!-- The NBER Progams a paper is associated with are listed as -->
<!-- custom-meta tags -->

<!-- This file was generated by /homes/site/etc/diskless/periodic/mysql/daily/all_xml_marc_ris.pl running on host `hostname` --> 
                   
<articles xmlns:xlink="http://www.w3.org/1999/xlink">

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>NBER Working Papers Online Test Document</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0000</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Aminoff</surname>
          <given-names>Alex</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0000.pdf"></self-uri>
    <self-uri xlink:href="http://www.nber.org/papers/w0000.html"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Education, Information, and Efficiency</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0001</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Welch</surname>
          <given-names>Finis</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0001.pdf"></self-uri>
    <self-uri xlink:href="http://www.nber.org/papers/w0001.djvu"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Hospital Utilization: An Analysis of SMSA Differences in Hospital Admission Rates, Occupancy Rates and Bed Rates</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0002</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Chiswick</surname>
          <given-names>Barry</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0002.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Error Components Regression Models and Their Applications</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0003</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Arora</surname>
          <given-names>Swarnjit S.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0003.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Human Capital Life Cycle of Earnings Models: A Specific Solution and Estimation</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0004</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lillard</surname>
          <given-names>Lee A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0004.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>A Life Cycle Family Model</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0005</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Smith</surname>
          <given-names>James</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0005.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>A Review of Cyclical Indicators for the United States: Preliminary Results</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0006</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Zarnowitz</surname>
          <given-names>Victor</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0006.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Definition and Impact of College Quality</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0007</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Solmon</surname>
          <given-names>Lewis C.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0007.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Multinational Firms and the Factor Intensity of Trade</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0008</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lipsey</surname>
          <given-names>Robert E</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Weiss</surname>
          <given-names>Merle Yahr</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0008.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>From Age-Earnings Profiles to the Distribution of Earnings and Human Wealth</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0009</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lillard</surname>
          <given-names>Lee A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0009.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Monte Carlo for Robust Regression: The Swindle Unmasked</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0010</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Holland</surname>
          <given-names>Paul W.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0010.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Weighted Ridge Regression: Combining Ridge and Robust Regression Methods</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0011</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Holland</surname>
          <given-names>Paul W.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0011.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Citizen Rights and the Cost of Law Endorcement</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0012</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Reder</surname>
          <given-names>Melvin</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0012.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Wage Comparisons -A Selectivity Bias</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0013</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Gronau</surname>
          <given-names>Reuben</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0013.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Effects on Income of Type of College Attended</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0014</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Solmon</surname>
          <given-names>Lewis C.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wachtel</surname>
          <given-names>Paul</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0014.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>A Comparison of FIML and Robust Estimates of a Nonlinear Macroeconomic Model</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0015</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Fair</surname>
          <given-names>Ray C</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0015.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Monte Carlo Techniques in Studying Robust Estimators</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0016</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hoaglin</surname>
          <given-names>David C.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0016.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Schooling, Ability, Non Pecuniary Rewards, Socioeconomic Background and the Lifetime Distribution of Earnings</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0017</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Taubman</surname>
          <given-names>Paul</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0017.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Deterrent Effect of Capital Punishment: A Question of Life and Death</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0018</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Ehrlich</surname>
          <given-names>Isaac</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0018.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Utilization of Surgical Manpower in A Prepaid Group Practice</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0019</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hughes</surname>
          <given-names>Edward F. X.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lewit</surname>
          <given-names>Eugene</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Watkins</surname>
          <given-names>Richard N.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Handschin</surname>
          <given-names>Richard</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0019.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Short-Run and Long-Run Prospects for Female Earnings</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0020</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Fuchs</surname>
          <given-names>Victor R</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0020.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Contraception and Fertility: Household Production Under Uncertainty</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0021</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Michael</surname>
          <given-names>Robert T.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Willis</surname>
          <given-names>Robert</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0021.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Correlation Between Health and Schooling</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0022</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Grossman</surname>
          <given-names>Michael</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0022.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>What Happened During the Baby Boom? New Estimates of Age and Parity: Specific Birth Probabilities for American Women</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0023</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Sanderson</surname>
          <given-names>Warren C.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0023.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Optimal Adaptive Control Methods for Structurally Varying Systems</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0024</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Sarris</surname>
          <given-names>Alexander H.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Athans</surname>
          <given-names>Michael</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0024.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Covariance Structure of Earnings and the On the Job Training Hypothesis</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0025</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hause</surname>
          <given-names>John C.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1973</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0025.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Migration Flows and Their Determinants: A Comparative Study of Internal Migration in Italy and the U.S.A.</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0026</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Arora</surname>
          <given-names>Swarnjit S.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0026.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Production Within the Household</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0027</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Leibowitz</surname>
          <given-names>Arleen</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0027.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Wealth Effect in Occupational Choice</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0028</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Weiss</surname>
          <given-names>Yoram</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0028.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Male-Female Differences in Wages and Employment: A Specific Human Capital Model</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0029</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Landes</surname>
          <given-names>Elisabeth M.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0029.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Timing and Spacing of Births and Women's Labor Force Participation: An Economic Analysis</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0030</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Ross</surname>
          <given-names>Sue Goetz</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0030.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Price Expectations and Household's Demand for Financial Assets</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0031</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Taylor</surname>
          <given-names>Lester D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0031.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Operational Time and Seasonality in Distributed Lag Estimation</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0032</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Clark</surname>
          <given-names>Peter</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>02</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0032.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Inflation and Market Structure 1967-1973</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0033</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Cagan</surname>
          <given-names>Phillip</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>02</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0033.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Estimation of a Stochastic Model of Reproduction: An Econometric Approach</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0034</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Heckman</surname>
          <given-names>James J</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Willis</surname>
          <given-names>Robert</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>02</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0034.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Changes in the Recession Behavior of Wholesale Prices: The 1920s and Post World War II</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0035</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Cagan</surname>
          <given-names>Phillip</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>03</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0035.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Economic Theories of Fertility: What do They Explain?</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0036</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Sanderson</surname>
          <given-names>Warren C.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>03</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0036.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Interpreting Spectral Analyses in Terms of Time-Domain Models</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0037</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Engle</surname>
          <given-names>Robert F</given-names>
          <suffix>III</suffix>
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>04</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0037.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>A General Algorithm for Simultaneous Estimation of Constant and Randomly-Varying Parameters in Lineal Relations</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0038</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Sarris</surname>
          <given-names>Alexander H.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>04</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0038.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Unemployment Effects of Minimum Wages</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0039</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname></surname>
          <given-names></given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0039.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Legality and Reality: Some Evidence on Criminal Procedure</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0040</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Landes</surname>
          <given-names>William M.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0040.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Theories of Economic Regulation</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0041</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Posner</surname>
          <given-names>Richard A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0041.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>A Theory of Social Interactions</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0042</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Becker</surname>
          <given-names>Gary</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0042.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Graphics for Data Analysis</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0043</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Welsch</surname>
          <given-names>Roy E.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0043.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Statistical Analysis of Local Structure in Social Networks</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0044</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Holland</surname>
          <given-names>Paul W.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Leinhardt</surname>
          <given-names>Samuel</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0044.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Incubator Hypothesis: Evidence from Five Cities</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0045</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Leone</surname>
          <given-names>Robert A.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Struyk</surname>
          <given-names>Raymond</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0045.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Singular Value Analysis in Matrix Computation</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0046</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Becker</surname>
          <given-names>Richard A.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Kaden</surname>
          <given-names>Neil</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Klema</surname>
          <given-names>Virginia</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0046.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Distribution of Earnings and Human Wealth in Cycle Context</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0047</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lillard</surname>
          <given-names>Lee A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0047.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Protection and Competitiveness in Egyptian Agriculture and Industry</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0048</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hansen</surname>
          <given-names>Bent</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Nashashibi</surname>
          <given-names>Karim</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0048.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Years and Intensity of Schooling Investing</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0049</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Leibowitz</surname>
          <given-names>Arleen</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0049.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Measuring the Effect of an Anti-Discrimination Program</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0050</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Ashenfelter</surname>
          <given-names>Orley C</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Heckman</surname>
          <given-names>James J</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0050.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Age, Experience and Wage Growth</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0051</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lazear</surname>
          <given-names>Edward P</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0051.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Transportation/Communication Considerations in the Location of Headquarters for Multi-Establishment Manufacturing Firms</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0052</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lavey</surname>
          <given-names>Warren G.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0052.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Progress in Human Capital Analysis of the Distribution of Earnings</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0053</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname></surname>
          <given-names></given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0053.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Bilateral Trade as a Development Instrument Under Global Trade Restrictions</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0054</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Nashashibi</surname>
          <given-names>Karim</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0054.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Social Costs of Monopoly and Regulation</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0055</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Posner</surname>
          <given-names>Richard A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0055.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Comparison of Robust and Varying Parameter Estimates of a Macroeconometric Model</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0056</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Cooley</surname>
          <given-names>Thomas F</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0056.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Varying-Parameter Supply Functions and the Sources of Economic Distress in American Agriculture, 1866-1914</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0057</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Cooley</surname>
          <given-names>Thomas F</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>DeCanio</surname>
          <given-names>Steven J.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0057.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>A Monte Carlo Study of Two Robust Alternatives of Least Square Regression Estimation</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0058</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hill</surname>
          <given-names>Richard W.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Holland</surname>
          <given-names>Paul W.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0058.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>An Analysis of Firm Demand for Protection Against Crime</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0059</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Bartel</surname>
          <given-names>Ann P</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0059.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Variances of Regression Coefficient Estimates Using Aggregate Data</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0060</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Welsch</surname>
          <given-names>Roy E.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Kuh</surname>
          <given-names>Edwin</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0060.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Factoring LP Block-Angular Bases</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0061</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Orchard-Hays</surname>
          <given-names>William</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0061.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Private Enforcement of Law</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0062</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Landes</surname>
          <given-names>William M.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Posner</surname>
          <given-names>Richard A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0062.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Censored Regression Models with Unobserved Stochastic Censoring Thresholds</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0063</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Nelson</surname>
          <given-names>Forrest D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0063.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Data Analysis, Communication, and Control</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0064</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Welsch</surname>
          <given-names>Roy E.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0064.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Rational Distributed Lag Structural Form--A General Econometric Model</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0065</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wall</surname>
          <given-names>Kent D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0065.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Detecting and Assessing the Problems Caused by Multi-Collinearity: A Useof the Singular-Value Decomposition</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0066</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Belsley</surname>
          <given-names>David A.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Klema</surname>
          <given-names>Virginia</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0066.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Human Capital and Labor Supply: A Synthesis</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0067</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Blinder</surname>
          <given-names>Alan S</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Weiss</surname>
          <given-names>Yoram</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0067.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>On a General Computer Algorithm for the Analysis of Models with Limited Dependent Variables</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0068</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Nelson</surname>
          <given-names>Forrest D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0068.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Ridge Estimators for Distributed Lag Models</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0069</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Maddala</surname>
          <given-names>G.S.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0069.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Analysis of Qualitative Variables</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0070</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Maddala</surname>
          <given-names>G.S.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Nelson</surname>
          <given-names>Forrest D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1974</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0070.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>On the Theory of Productive Saving</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0071</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Ehrlich</surname>
          <given-names>Isaac</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Ben-Zion</surname>
          <given-names>Uri</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0071.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Goodness of Match</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0072</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wolff</surname>
          <given-names>Edward N</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0072.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Role of Physicians in the Production of Hospital Output</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0073</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Pauly</surname>
          <given-names>Mark</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Satterthwaite</surname>
          <given-names>Mark A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>02</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0073.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Variation Across Household in the Rate of Inflation</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0074</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Michael</surname>
          <given-names>Robert T.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>04</month>
       <year>1979</year>
    </pub-date>
    <custom-meta-wrap>
        <custom-meta>
		       <meta-name>NBER Program</meta-name>
		       <meta-value>Economic Fluctuations and Growth</meta-value>
		       </custom-meta>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0074.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Implementing and Documenting Random Number Generators</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0075</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hoaglin</surname>
          <given-names>David C.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>03</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0075.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Robust Non-Linear Regression Using The Dogleg Algorithm</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0076</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Welsch</surname>
          <given-names>Roy E.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Becker</surname>
          <given-names>Richard A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>03</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0076.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>FIML Estimation of Rational Distributed Lag Structural Form Models</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0077</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wall</surname>
          <given-names>Kent D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>03</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0077.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Tables of Sample Size For the F-Test in One Way Analysis of Variance Designs</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0078</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hill</surname>
          <given-names>Richard W.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>03</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0078.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Consumer Expenditure Function</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0079</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Darby</surname>
          <given-names>Michael R</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>03</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0079.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Inequality: Earnings vs. Human Wealth</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0080</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lillard</surname>
          <given-names>Lee A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>04</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0080.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Parental Bequest to Children</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0081</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Leibowitz</surname>
          <given-names>Arleen</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0081.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Certain Aspects of Generalized Box-Jenkins Models</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0082</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hill</surname>
          <given-names>Richard W.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0082.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Robust Line Estimation With Errors in Both Variables</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0083</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Brown</surname>
          <given-names>Michael L.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0083.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>A Comparison of Two Simple Methods for Obtaining Robust Confidence Intervals</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0084</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hill</surname>
          <given-names>Richard W.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0084.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>On the Identification of Time Varying Structures</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0085</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Cooley</surname>
          <given-names>Thomas F</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wall</surname>
          <given-names>Kent D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0085.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>THe Use of the Box Step Method in Discrete Optimization</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0086</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Marsten</surname>
          <given-names>Roy A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0086.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Exports and Foreign Investment in the Pharmaceutical Industry</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0087</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lipsey</surname>
          <given-names>Robert E</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Weiss</surname>
          <given-names>Merle Yahr</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1982</year>
    </pub-date>
    <custom-meta-wrap>
        <custom-meta>
		       <meta-name>NBER Program</meta-name>
		       <meta-value>International Trade and Investment</meta-value>
		       </custom-meta>
        <custom-meta>
		       <meta-name>NBER Program</meta-name>
		       <meta-value>International Finance and Macroeconomics</meta-value>
		       </custom-meta>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0087.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Three-And-A-Half Million U.S. Employees Have Been Mislaid: Or, An Explanation of Unemployment, 1934-1941</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0088</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Darby</surname>
          <given-names>Michael R</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>05</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0088.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Alternative Prior Representations of Smoothness for Distributed Lag Estimation</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0089</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Shiller</surname>
          <given-names>Robert J</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0089.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Maximum Likelihood Stage Least Squares Estimator in the Nonlinear Simultaneous Equations Model</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0090</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Amemiya</surname>
          <given-names>Takeshi</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0090.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Autoregressive Spectrum Estimation Technique Allied to Quarterly Consumer Durables Expenditure Data</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0091</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lavey</surname>
          <given-names>Warren G.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0091.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Schooling as a Wage Depressant</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0092</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lazear</surname>
          <given-names>Edward P</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0092.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Rational Expectations and the Dynamic Structure of Macroeconomic Models:A Critical Review</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0093</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Shiller</surname>
          <given-names>Robert J</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>06</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0093.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Decision-Stage Method: Convergence Proof, Special Application, and Computation Experience</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0094</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Dharmadhikari</surname>
          <given-names>Vinay</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0094.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Qualitative Information, Reputation, and Monopolistic Competition</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0095</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Darby</surname>
          <given-names>Michael R</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lott</surname>
          <given-names>John R</given-names>
          <suffix>Jr</suffix>
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0095.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Specification Errors in Limited Dependent Variable Models</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0096</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Maddala</surname>
          <given-names>G.S.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Nelson</surname>
          <given-names>Forrest D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0096.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Human Wealth and Human Capital</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0097</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lazear</surname>
          <given-names>Edward P</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0097.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Demand for Nursing Home Care: An Analysis of the Substitution Between Institutional and Noninstitutional Care</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0098</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Chiswick</surname>
          <given-names>Barry</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0098.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Earnings of Scientists, 1960-1970: Experience, Age and Vintage Effects</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0099</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Weiss</surname>
          <given-names>Yoram</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>07</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0099.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Finding a Dual Feasible Solution to an LP with M Equalities in (l&amp;M) Dual Iterations</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0100</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Dharmadhikari</surname>
          <given-names>Vinay</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0100.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Innovation and Foreign Investment Behavior of the U.S. Pharmaceutical Industry</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0101</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Cohen</surname>
          <given-names>Benjamin</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Katz</surname>
          <given-names>Jorge</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Beck</surname>
          <given-names>William T.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0101.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Education and Screening</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0102</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wolpin</surname>
          <given-names>Kenneth</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>08</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0102.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Rosepack Document 1: Guidelines for Writing Semi-portable Fortran</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0103</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Kaden</surname>
          <given-names>Neil</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Klema</surname>
          <given-names>Virginia</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>09</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0103.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Education: Consumption or Production</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0104</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lazear</surname>
          <given-names>Edward P</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0104.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Time-Utilization of a Population of General Practitioners in a Prepaid Group Practice</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0105</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Watkins</surname>
          <given-names>Richard N.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hughes</surname>
          <given-names>Edward F. X.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lewit</surname>
          <given-names>Eugene</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0105.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Parametric Integer Programming the Right Hand Side Case</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0106</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Marsten</surname>
          <given-names>Roy A.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Morin</surname>
          <given-names>Thomas</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0106.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Social Security and Retirement Decisions</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0107</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Boskin</surname>
          <given-names>Michael J</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
        <custom-meta>
		       <meta-name>NBER Program</meta-name>
		       <meta-value>Public Economics</meta-value>
		       </custom-meta>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0107.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Are Health Workers Underpaid?</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0108</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Fuchs</surname>
          <given-names>Victor R</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0108.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Notes on Automating Stem and Leaf Displays</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0109</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Hoaglin</surname>
          <given-names>David C.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wasserman</surname>
          <given-names>Stanley S.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0109.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Independent Judiciary in an Interest-Group Perspective</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0110</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Landes</surname>
          <given-names>William M.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Posner</surname>
          <given-names>Richard A.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>10</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0110.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Confidence Regions for Robust Regression</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0111</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Welsch</surname>
          <given-names>Roy E.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0111.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>A Beta-Logistic Model for the Analysis of Sequential Labor Force Participation by Married Women</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0112</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Heckman</surname>
          <given-names>James J</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Willis</surname>
          <given-names>Robert</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0112.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Random Directed Graph Distributions in the Triad Census in Social Networks</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0113</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wasserman</surname>
          <given-names>Stanley S.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0113.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>On the Measurement of Benefits in an Urban Context: Some General Equilibrium Issues</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0114</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Courant</surname>
          <given-names>Paul</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Rubinfeld</surname>
          <given-names>Daniel L</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0114.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The Production of Health Services in Fee for Service, for Profit Health Practices: The Case of Optometrists</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0115</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Coate</surname>
          <given-names>Douglas</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0115.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Notes on the Tax Treatment of Human Capital</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0116</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Boskin</surname>
          <given-names>Michael J</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>11</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
        <custom-meta>
		       <meta-name>NBER Program</meta-name>
		       <meta-value>Public Economics</meta-value>
		       </custom-meta>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0116.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Job Mobility and Earnings Growth</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0117</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Bartel</surname>
          <given-names>Ann P</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>04</month>
       <year>1980</year>
    </pub-date>
    <custom-meta-wrap>
        <custom-meta>
		       <meta-name>NBER Program</meta-name>
		       <meta-value>Labor Studies</meta-value>
		       </custom-meta>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0117.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>The International Transfer of Semi-Conductor Technology Through U.S. Based Firms</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0118</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Finan</surname>
          <given-names>William F.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>12</month>
       <year>1975</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0118.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Interequation Constraint and the Specification of Dynamic Structure</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0119</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Wall</surname>
          <given-names>Kent D.</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1976</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0119.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>From Bismark to Woodcock: The "Irrational" Pursuit of National Health Insurance</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0120</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Fuchs</surname>
          <given-names>Victor R</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1976</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>
    <self-uri xlink:href="http://www.nber.org/papers/w0120.pdf"></self-uri>
       </article-meta>
    </front>
    <article-type>unpublished</article-type>
  </article>

  <article>
    <front>
      <publisher>
        <publisher-name>National Bureau of Economic Research</publisher-name>
        <publisher-loc>Cambridge, Mass., USA</publisher-loc>
      </publisher>
      <article-meta>
        <title-group>
          <article-title>Analysis of Longitudinal Earnings Data: American Scientists 1960-70</article-title>
        </title-group>
        <article-id pub-id-type="publisher-id">w0121</article-id>                
        <contrib-group>
    
      <contrib contrib-type="author">
        <name>
          <surname>Lillard</surname>
          <given-names>Lee A.</given-names>
          
        </name>
      </contrib>
    
      <contrib contrib-type="author">
        <name>
          <surname>Weiss</surname>
          <given-names>Yoram</given-names>
          
        </name>
      </contrib>
    </contrib-group>
    <pub-date pub-type="pub">
       <month>01</month>
       <year>1976</year>
    </pub-date>
    <custom-meta-wrap>
    </custom-meta-wrap>