This paper examines various implications of Preferential Trade Agreements (PTAs), namely Customs Unions (CUs) and Free Trade Areas (FTAs), in the context of a multi-country general equilibrium model based on comparative advantage considerations. We calibrate the model to represent countries with...

There has been growing debate about whether bilateral trade agreements are damaging multilateral efforts to eliminate barriers to international trade. This paper develops a model in which trading blocs always charge optimal tariffs and make trade agreements based on strategic considerations. We...