The theoretical literature follows two different approaches to explain the endogenous formation of a Customs Union (CU). The first one explains CU formation through the willingness of integrating partners to exploit terms-of-trade effects. Indeed, as the union forms, the 'domestic market' gets...

This paper confronts the results of the endogenous tariff literature with MERCOSUR (Mercado Comun del Sur, literally, ‘the Common Market of the Southern Cone’) evidence. It is shown that MERCOSUR’s common external tariff (CET), and member countries’ deviations from the CET and from...

This Paper examines the impact of imported technologies on productivity for a sample of developing and transition countries in Central and Eastern Europe and in the Southern Mediterranean. These economies are getting more and more integrated to the European Union. The Paper departs from earlier...

The paper applies a gravity model to 1980-1996 annual non-fuel imports data for 58 countries to quantify the effects of recently created or revamped PTAs on trade. We modify the usual gravity equation to identify separate effects of PTAs on intra-bloc trade, members' total imports and their...