Data appendix for

The Rate of Return to the High/Scope Perry Preschool Program
James J. Heckman, Seong Moon, Rodrigo Pinto, Peter A.. Savelyev, Adam Yavitz

Rate-of-Return-apx-2009-10-27b_cji.pdf

Web Appendix for The Rate of Return to the High/Scope Perry Preschool Program