Zeros, Quality and Space: Trade Theory and Trade Evidence

Richard Baldwin, James Harrigan

NBER Working Paper No. 13214
Issued in July 2007

---- Acknowledgements -----

We thank seminar audiences at Columbia, Dartmouth, Georgetown, Penn State, Virginia, Wisconsin, EIIT-Purdue, ERWIT, FRB-Philadelphia, LSE, and NBER. This paper was largely written while Harrigan was a Visiting Professor at Columbia University. The views expressed in this paper are those of the authors and do not necessarily reflect the position of the Federal Reserve Bank of New York, the Federal Reserve System, or the National Bureau of Economic Research.

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