We conduct a welfare comparison of MFN and tariff discrimination in an oligopoly model of trade between two exporting countries and one importing country. While MFN dominates tariff discrimination from a world welfare perspective when exporting countries are asymmetric with respect to either...

In this paper, we compare endogenous environmental policy setting with centralized and decentralized governments when regions have comparative advantages in different polluting goods. We develop a tworegion, twogood model with interregional environmental damages and perfect competition in...