NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Time as a Trade Barrier

David Hummels, Georg Schaur

NBER Working Paper No. 17758
Issued in January 2012

---- Acknowledgements -----

For many helpful comments and discussions we thank seminar audiences at NBER, EIIT, The World Bank, the Universities of Michigan, Maryland, Colorado, Purdue, and the Minneapolis Fed, and are especially indebted to Jason Abrevaya, Andrew Bernard, Bruce Blonigen, Alan Deardorff, James Harrigan, Tom Hertel, Pete Klenow, Christian Vossler, and Kei-Mu Yi. We are grateful for funding under NSF Grant 0318242, and from the Global Supply Chain Management Initiative. All errors remain our own. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

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