This paper examines the welfare implications of multiple free trade agreements in a model of imperfect competition. We show that free trade is the unique Nash equilibrium under the simple rule that any two countries can form a bilateral free trade agreement. Specifically, a country is always...

This study considers endogenous determination of domestic standards on products that cause negative consumption externalities in the presence of a preferential trade agreement (PTA) in a three-country world. In particular, we examine how a PTA affects the optimal levels of external tariffs and...