Costas Arkolakis is the Henry Kohn Associate Professor of Economics at Yale University and an NBER Research Associate. He received his undergraduate degree from Aristotle University of Thessaloniki in Economics, and his Master and PhD in Economics from the University of Minnesota. He has made pioneering contributions in international trade and spatial economic models in macroeconomic equilibrium. He joined the department of Economics at Yale University at 2007 and became an Associate Professor in 2013. In 2013 he was also awarded an NSF CAREER grant. He has published in a variety of journals including the Journal of Political Economy, American Economic Review, Quarterly Journal of Economics. He is a Co-editor of Economic Theory and Associate Editor of the Journal of International Economics.