Publications [#142786] of Helen F. Ladd

NBER Working Papers

  1. H.F. Ladd, with Charles Clotfelter and Jacob Vigdor. "How and why do teacher credentials matter for student achievement?."  Working Paper 142786 (2007).
    (last updated on 2008/01/29)

    Author's Comments:
    Also published in The Center for the Analysis of Longitudinal Data in Education Research (CALDER), 2007.