NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Contractual Frictions and Global Sourcing

Pol Antràs, Elhanan Helpman

NBER Working Paper No. 12747
Issued in December 2006

---- Acknowledgements -----

We thank Morten Olsen for excellent research assistance. Helpman thanks the National Science Foundation for financial support. 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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