NBER Publications by Helen Ladd
Working Papers and Chapters
| November 2007 | Are Teacher Absences Worth Worrying About in the U.S.?
with Charles T. Clotfelter, Jacob L. Vigdor: w13648
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| Teacher Credentials and Student Achievement in High School: A Cross-Subject Analysis with Student Fixed Effects
with Charles T. Clotfelter, Jacob L. Vigdor: w13617
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| January 2007 | How and Why do Teacher Credentials Matter for Student Achievement?
with Charles T. Clotfelter, Jacob L. Vigdor: w12828
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| June 2006 | Would Higher Salaries Keep Teachers in High-Poverty Schools? Evidence from a Policy Intervention in North Carolina
with Charles Clotfelter, Elizabeth Glennie, Jacob Vigdor: w12285
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| May 2006 | The Academic Achievement Gap in Grades 3 to 8
with Charles T. Clotfelter, Jacob L. Vigdor: w12207
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| January 2006 | Teacher-Student Matching and the Assessment of Teacher Effectiveness
with Charles T. Clotfelter, Jacob L. Vigdor: w11936
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| January 2005 | Federal Oversight, Local Control, and the Specter of "Resegregation" in Southern Schools
with Charles T. Clotfelter, Jacob L. Vigdor: w11086
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| March 1987 | City Taxes and Property Tax Bases
with Katharine L. Bradbury: w2197
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James Poterba is President of the National Bureau of Economic Research.
He is also the Mitsui Professor of Economics at M.I.T.
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