ROBERT C. FEENSTRA is Professor of Economics at the University of California, Davis, USA. He received his B.A. in 1977 from the University of British Columbia, Canada, and his Ph.D. in economics from MIT in 1981. Feenstra has been teaching international trade at the undergraduate and graduate levels at UC Davis since 1986, where he holds the C. Bryan Cameron Distinguished Chair in International Economics. Feenstra is a research associate of the National Bureau of Economic Research, where he directs the International Trade and Investment research program. He is the author of Offshoring in the Global Economy and Product Variety and the Gains from Trade (MIT Press, 2010). Feenstra received the Bernhard Harms Prize from the Institute for World Economics, Kiel, Germany, in 2006, and delivered the Ohlin Lectures at the Stockholm School of Economics in 2008. ALAN M. TAYLOR is Souder Family Professor of Arts and Sciences in the Department of Economics, University of Virginia, USA. He is also a research associate at the National Bureau of Economic Research (Cambridge, USA) and a research fellow at the Centre for Economic Policy Research (London, UK). He read mathematics at King's College, Cambridge UK, and received his PhD in economics from Harvard University in 1992. Prior to his appointment at UVA, he taught at both UC-Davis and Northwestern University. Taylor received the John Simon Guggenheim Memorial Fellowship in 2004, and was named a Houblon-Norman/George Fellow at the Bank of England for 2009-2010.