NBER Working Paper No. 16064
---- Acknowledgements -----
This research was supported by NIH R01-HD054702, the American Bar Foundation, The California Endowment, The Commonwealth Foundation, The Nemours Foundation, the Buffett Early Childhood Fund, the Spencer Foundation, an Anonymous funder, and the J.B. and M.K. Pritzker Foundation. We are grateful for the helpful comments of the Handbook authors present at the CESIfo Munich conference. We also received helpful research assistance from Pana Alvarez and Joel Han. We would like to personally thank Lois M. Quinn, who provided valuable comments. The views expressed in this paper are those of the authors and not necessarily those of the funders or other parties listed here. A more complete description of the GED program is presented in our two books, Heckman, Humphries, and Mader [2010a,b]. The views expressed in this paper are those of the authors and not necessarily those of the funders, other parties listed here, or the National Bureau of Economic Research.