Student sorting and bias in value added estimation: Selection on observables and unobservables
NBER Working Paper No. 14666
---- Acknowledgements ----
I thank Nathan Wozny and Enkeleda Gjeci for research assistance. I am grateful to the North Carolina Education Data Research Center and the North Carolina Department of Public Instruction for assembling and making available the data used in this study. This work has benefited from helpful conversations with Jane Cooley, Gordon Dahl, Ed Glaeser, Brian Jacob, David Lee, and Diane Schanzenbach, and from comments from an anonymous referee. Financial support was generously provided by the Industrial Relations Section and the Center for Economic Policy Studies at Princeton and by the U.S. Department of Education (#R305A080560). The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.