Professor Limão received his B.Sc. from the London School of Economics and his PhD from Columbia University. His primary research and teaching interests are in international trade, trade policy, and political economy. His research integrates theoretical and empirical work to examine a variety of issues, such as the impact of policy uncertainty on firm decisions, how governments choose among redistribution policies, the determinants of trade policy and trade agreements and the effects of trade costs and geographic location. This research has been published in academic journals such as the American Economic Review, the Review of Economic Studies, Journal of International Economics and Journal of Public Economics. Professor Limão’s most recent research employs detailed data from a variety of countries to examine the impact of policy and economic uncertainty on firm level decisions in different settings such as (i) the Portuguese accession to the EC and the Euro (ii) the Chinese accession to the WTO (iii) the Great Recession.