NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Information for Libraries

License and copyright

There is no license agreement required for the NBER online service, however the working papers themselves are protected by copyright.

Working papers on the NBER web site are copyright by the author(s), not by the NBER itself. Users may download, view and print papers for their personal use, or to give to their colleagues or students, to place in a the subscriber's library collection, or in a university vended or sponsored course pack, or for other fair use appropriate for discussion papers. Short extracts, not exceeding two paragraphs, may be quoted provided clear attribution is given. Subscribers may download any or all papers for archival storage, with subsequent use constrained to fair use as noted above during the subscription term and thereafter. Requests for permissions beyond fair use should be made to the author(s). Current author addresses can often be obtained here.

Abstracts may be copied into printed or electronic bibliographic aids without special permission, provided clear attribution is given.

Students and employees of the subscriber site may access the NBER web site via proxy or other devices under subscriber control, regardless of the user's actual physical location. Walk-ins and other users must be physically present at the subscriber's location.

Subscribers have access to all the papers on the web site for the duration of their subscription, and may retain copies of papers acquired during the term of their subscription after that subscription lapses, with no obligation to erase or destroy anything merely because the subscription has expired.

NBER Working Paper Claims

  • Missing working papers must be claimed within 90 days from the date of distribution.
  • Please note that it often takes a full month for papers to travel overseas. Please note that papers are not necessarily printed and shipped in numerical order.
  • We make a note of claims received, but will not ship out any missing issues until over a month has passed since the printing date.
  • Please allow 4-6 weeks for delivery of claimed issues.
  • Any issues missing and claimed outside the 90-day claim period may be accessed by our website, www.nber.org.
  • Claims may be submitted to Subscriptions, NBER, 1050 Massachusetts Avenue, Cambridge MA 02138.
  • Contact Information for issues regarding Claims should be directed to Tim Page at subs@nber.org

    Archives

    There is no present plan to remove papers from the web site on the basis of age, however from time to time papers have been replaced or removed at the request of authors. Any subscriber storing papers for later retrieval should have a mechanism in place for detecting revisions so that readers are provided with current versions. The LOCKSS system has permission to collect, preserve, and serve this Archival Unit.

    Robots and Screen-Scrapers

    The following are the only interfaces suggested for robotic access to the working papers:

    http://www.nber.org/papers/CNNNN http://www.nber.org/papers/CNNNN.pdf

    where C is one of W, T, or H and NNNN is a 4 or 5 digit working paper number. Any user implementing a robotic access mechanism is requested to discuss it's action with me. These URLs may also be used for links from reading lists to particular papers. From time to time individual paper requests may be satisfied with temporary links. Please do not incorporate temporary links into long-lived pages, use the interface described here instead.

    Libraries wishing to place links to our site in their online access systems may use the URLs above, and also

    http://www.nber.org http://www.nber.org/papers http://www.nber.org/papers/?q=searchterm1+searchterm2...

    where the latter two links point directly to our search engine.

    Note that since our search engine is freely available, "federated search" vendors do not need special permission to access our site.

    Cataloging

    Working papers are issued in one of three series, Historical, Technical or General, and the leading letter in the paper designation is H, T or W according to the series. So w0001 is the first paper in the general series.

    We understand that the general working paper series has been assigned the ISSN 0898-2937. The ISSN 1073-2489 appears to refer to the Historical Working Papers.

    Abstracts and other bibliographic information may be copied into printed or electronic bibliographic aids without special permission, provided clear attribution is given.

    A machine readable version of our bibliographic database (including the text of abstracts) is available in RePEc format at http://www.nber.org/RePEc/nbr/. Documentation for that format is available at http://ideas.repec.org/stepbystep.html. Virtually all economics working papers from all institutions world-wide are available in that format. You are free to incorporate information from the database into your online bibliographic system.

    There is an RIS format bibliography appropriate for Endnote at wwpinfo/all_nber_working_papers.ris

    Unlike RIS we have no master BibTeX file. The only way to get a .bib > file for a WP is www.nber.org/papers/w12345/bib

    Google Scholar's format: http://www.nber.org/cgi-bin/googleXMLs.pl?start=w13100&total=100 gives an XML file with bibliographic information for 100 working papers beginning with w13100. It takes about 30 seconds per hundred entries, so this isn't a practical way to get a complete bibliography.

    But you can get the whole series via: http://www.nber.org/wwpinfo/googleXML_h.xml (Historical papers: ~150k)
    http://www.nber.org/wwpinfo/googleXML_t.xml (Technical Working papers: ~300k)
    http://www.nber.org/wwpinfo/googleXML_w.xml (Working papers, main series: BIG: ~45MB)

    See the XML header for any of these pages for more information on the NLM Journal standard which Google Scholar prefers.

    MARC

    A MARC record for any working paper is available at:

    http://www.nber.org/papers/wNNNN.marc and the entire collection at

            http://www.nber.org/wwpinfo/marc/all_nber_working_papers.marc

    sorted in reverse order of distribution date. Also, recent working papers are available in monthly files in the directory

            http://www.nber.org/wwpinfo/marc/

    However, subject headings are JEL rather than Library of Congress. We are interested in following up suggestions for obtaining LCSHs.

    Z39.50

    We no longer support a Z39.50 server, but would consider doing so if we had a source of support. Please contact me if you have a suggestion.

    If you use a bibliographic service that needs cooperation from our server to function correctly, please send us information about what our server needs to do. We are quite interested in supporting such functions, but need to be supplied with detailed specifications for the URLs we are expected to respond to.

    Authorization and Limits

    We authorize subscribers by IP address range and/or domain name. Details are at "Why I may need your network number". For single subscribers login/password authorization is available, however we never provide that in addition to address or domain name authorization. A backstop technology using email address allows all users with email addresses in the subscribers domain to recieve full text, regardless of their network location.

    Electronic reserve rooms serving large courses are especially encouraged to cache copies of the papers themselves, rather than merely linking to our site. This will avoid overloading our server and your Internet link.

    A limit of 3 simultaneous downloads to any one IP address is enforced to limit damage from out-of-control robots. Note that the limit is applied per IP address, not per subscription, so that it should not affect subscribers under normal circumstances. If this is a problem for your site because it uses a proxy server or non-transparent firewall please contact me and we will make special provision.

    Library logos and download statistics

    If you wish the library logo to be displayed on the bibliographic page (so that your users are aware that the library is paying for their access) please send subs@nber.org a URL for the logo and we will add it to bibliographic pages served to your site. A gif file 80 pixels wide by 15-20 pixels high is most appropriate but the browser will accomodate any reasonable size. This logo will be incorporated by reference, and will load from your site each time one of your users is shown an abstract.

    The series "NBER Working Papers" incorporates the separately numbered series "Development of the American Economy" and "NBER Technical Working Papers" in our search facility and for purposes of serials cataloging.

    A page with your subscriber information (company name, contact, expiration date, etc) is always available at http://www.nber.org/subscriber_info.pl. This page is dynamically generated depending upon the IP address of of the requesting site. Statistical usage information can be added to that page if you email a request to the address noted here.

    EzProxy Configuration

    Babson College reports that the following configuration of Ezproxy works well for them: ## NBER.org Option DomainCookieOnly T National Bureau of Economic Research U http://papers.nber.org/ H papers.nber.org H mobile.nber.org D nber.org H wwwdev.nber.org Option Cookie

    Contact information

    I am always available to discuss technical aspects of authentication.

    Daniel Feenberg
    NBER
    feenberg _at_ nber.org
    617-588-0343


    Last Modified: 15 November 2013. Latest version at http://www.nber.org/policies.html
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