Recent research has documented a U-shaped industrial concentration curve over an economy's development path. How far can neoclassical trade theory take us in explaining this pattern? We estimate the production side of the Heckscher-Ohlin model using industry data on 44 developed and developing...

One criticism of the gravity model of international trade is that it takes no account of comparative advantage. This critique is particularly important when the gravity model is considered for policy applications such as identifying priority markets for trade promotion programs. For example, the...

In this paper, we merge the heterogenous firm trade model of Melitz (2003) with the Ricardian model of Dornbusch, Fisher and Samuelson (DFS 1977) to explain how the pattern of international specialization and trade is determined by the interaction of comparative advantage, economies of scale,...

This paper explores the features of a dynamic multisectoral model which focuses on the relationship between income distribution, growth and international specialization. The model is explored both for the steady-state properties and the transitory dynamics of integrated economies. Income...