TY - JOUR AU - Arkolakis,Costas AU - Costinot,Arnaud AU - Rodríguez-Clare,Andrés TI - New Trade Models, Same Old Gains? JF - National Bureau of Economic Research Working Paper Series VL - No. 15628 PY - 2009 Y2 - December 2009 UR - http://www.nber.org/papers/w15628 L1 - http://www.nber.org/papers/w15628.pdf N1 - Author contact info: Costas Arkolakis Department of Economics Yale University, 28 Hillhouse Avenue P.O. Box 208268 New Haven, CT 06520-8268 Tel: 203/432-3527 Fax: 203/432-6323 E-Mail: costas.arkolakis@yale.edu Arnaud Costinot Department of Economics MIT, E52-243B 50 Memorial Drive Cambridge MA 02142-1347 Tel: 617/324-1712 Fax: 617/253-1330 E-Mail: costinot@mit.edu Andres Rodriguez-Clare University of California at Berkeley Department of Economics Berkeley, CA 94720-3880 E-Mail: andres1000@gmail.com AB - Micro-level data have had a profound influence on research in international trade over the last ten years. In many regards, this research agenda has been very successful. New stylized facts have been uncovered and new trade models have been developed to explain these facts. In this paper we investigate to which extent answers to new micro-level questions have affected answers to an old and central question in the field: How large are the gains from trade? A crude summary of our results is: "So far, not much." ER -