How and Why do Teacher Credentials Matter for Student Achievement?
NBER Working Paper No. 12828
---- Acknowledgments ----
This paper is a revised version of a paper initially prepared for a conference organized by the World Bank on "The Contribution of Economics to the Challenges Faced by Education," Dijon, France, June 2006. An earlier version of this paper was presented in March 2006 at the annual meetings of the American Education Finance Association Denver, Colorado. The authors are grateful to the Spencer Foundation for funding for this project, to the North Carolina Education Research Data Center for the data, and to Aaron Hedlund for excellent research assistance. Other research assistants, including Trip Stallings and Roger Aliaga-Diaz, contributed to earlier stages of this research project. We are grateful to them all. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.