Technical Change and the Relative Demand for Skilled Labor: The United States in Historical Perspective

Lawrence F. Katz, Robert A. Margo

NBER Working Paper No. 18752
Issued in February 2013

---- Acknowledgments ----

This paper was presented at the "Human Capital and History: The American Record" conference in Cambridge, MA, December 2012. The conference was jointly sponsored by the NBER and the Spencer Foundation. Comments from David Autor, Jeremy Atack, Leah Boustan, Stan Engerman, Carola Frydman, Caitlin Rosenthal, and conference participants are gratefully acknowledged. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

---- Disclosure of Financial Relationships for Lawrence F. Katz ----

I am a member of the Board of Trustees of the Russell Sage Foundation, the Board of Directors of the Manpower Demonstration Research Corporation, and the Panel of Economic Advisors of the Congressional Budget Office.

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