Proper measurement and aggregation of trade costs is of paramount importance for sound academic and policy analysis of the determinants - particularly those of policy - of economic outcomes. The international trade profession has witnessed signifcant new developments, both on the theoretical and...

In recent decades, many countries experienced both a rise in top income shares and an increase of income inequality among the top earners. In this paper, I study the role of international trade as a catalyst for this development and analyze the associated welfare effects. I build a simple...