We study, theoretically and empirically, how countries choose intra-bloc tariffs and preferential margins when they form Preferential Trade Agreements (PTAs). Our model indicates that countries should set systematically lower preferential margins when the bloc takes the form of a free trade area...

Because trade liberalization which is anticipated to be temporary creates a divergence between the effective domestic rate of interest and the world rate of interest, tariff-reduction in the presence of international financial asset trade may reduce welfare for a small country. Calvo has argued...