The Empirics of Firm Heterogeneity and International Trade

Bernard, Jensen and Schott thank the National Science Foundation (SES-0241474, SES-0552029 and SES-0550190) and Redding thanks Princeton University and the Centre for Economic Performance (CEP) for research support. This paper was prepared for the Annual Review of Economics. We are grateful to Pol Antràs and Peter Neary for helpful comments and suggestions. Some of the research reviewed in this paper was conducted while Bernard, Jensen, Redding and Schott were Special Sworn Status researchers of the U.S. Census Bureau at the Boston Research Data Center and Center for Economic Studies. Research results and conclusions expressed are those of the authors and do not necessarily reflect the views of the Census Bureau, the NBER, or any other institution to which the authors are affiliated. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.