Matching and Inequality in the World Economy
---- Acknowledgements -----
We thank Daron Acemoglu, David Autor, Ariel Burstein, Pierre-André Chiappori, Gene Grossman, Gordon Hanson, seminars participants at many institutions, and especially Esteban Rossi-Hansberg for helpful comments and discussions. We have also benefited from stimulating discussions by Pol Antras, Bob Staiger, and Dan Trefler at the NBER Summer Institute and the Princeton IES Summer Workshop. Costinot also thanks Princeton IES for its hospitality. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.