As each new round of multilateral trade negotiations approaches, there is a demand for a negotiating rule that would give credit for autonomous liberalization. This Paper shows that the desirability and feasibility of such a rule depends on when it is instituted. A credit rule established at the...

This Paper assesses the foreign lobbying forces behind the tariff preferences that the United States grants to Latin American countries. The basic framework is one developed by Grossman and Helpman (1994) that is extended to explain the relationship between foreign lobbying and tariff...

This Paper proposes a new method to test the Grossman-Helpman model of endogenous protection and lobby formation. This method, which does not require outside data on lobbies or contributions, identifies politically organized industries for trade protection purposes and calculates equilibrium...