Estimates of the Trade and Welfare Effects of NAFTA
---- Acknowledgements -----
First Draft: November 2009. We are particularly grateful to Robert Lucas, Samuel Kortum, Nancy Stokey for their continuous encouragement, support and advice. We also thank for helpful comments Fernando Alvarez, Costas Arkolakis, Thomas Chaney, Dave Donaldson, Jonathan Eaton, Rob Feenstra, Cecilia Fieler, Gordon Hanson, Timothy Kehoe, Kalina Manova, Brent Neiman, Ralph Ossa, Stephen Redding, John Romalis, Peter Schott, Robert Shimer, Bob Staiger, Daniel Sturm, Chang Tai Hsieh and Silvana Tenreyro, and many seminar participants for useful conversations and comments. Correspondence: Caliendo, firstname.lastname@example.org, Parro, email@example.com. The views expressed herein are those of the authors and not necessarily those of the Board of Governors of the Federal Reserve System, the Federal Reserve System, or the National Bureau of Economic Research.