This thesis is a collection of essays on the effect of trade costs on international trade. Chapter 1 derives and empirically examines how factor proportions determine the structure of commodity trade when international trade is costly. It combines a many-country version of the Heckscher-Ohlin...

This paper considers the effect of economic integration on the industrial structure and trade patterns of two countries which differ only in size. In a general equilibrium model of intra-industry trade, each country has two imperfectly competitive industries which can differ in three respects:...