In a Ricardian model with CES preferences and general distributions of industry efficiencies, the sources of the welfare gains from trade can be precisely decomposed into a selection and a reallocation effect. The former is the change in average efficiency due to the selection of industries that...

In a Ricardian model with general distributions of industry efficiencies, the welfare gains from trade can be decomposed into a selection and a reallocation effect. The former is the change in average efficiency due to the selection of industries that survive international competition. The...