The Productivity Argument for Investing in Young Children
---- Acknowledgements -----
This research was supported by a grant from NICHD (NIH R01-HD043411) and a grant from the Pew Charitable Trusts and the Partnership for America's Economic Success. The views expressed in this paper are those of the author and not necessarily those of The Pew Charitable Trusts. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.