Class Size and Class Heterogeneity
NBER Working Paper No. 16405
---- Acknowledgements -----
We thank Joe Altonji, Pascaline Dupas, Caroline Hoxby, Seema Jayachandran, Ed Lazear, Aprajit Mahajan, John Pencavel, Kathryn Shaw, Chris Taber and seminar participants at the NBER-Summer Institute 2009. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.