Better LATE Than Nothing: Some Comments on Deaton (2009) and Heckman and Urzua (2009)

Guido W. Imbens

NBER Working Paper No. 14896
Issued in April 2009

---- Acknowledgements -----

I have benefitted from discussions with Joshua Angrist, Susan Athey, Abhijit Banerjee, David Card, Gary Chamberlain, Esther Duflo, Kei Hirano, Geert Ridder, Chuck Manski, Sendhil Mullainathan, and Jeffrey Wooldridge, although they bear no responsibility for any of the views expressed here. Financial support for this research was generously provided through NSF grant 0820361. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.

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