The theories of monopolistic competition and ¡°love for variety¡± contend that the differences in firms¡¯ prices and market shares arise from product differentiation, which is linked to firms¡¯ fixed costs. This paper reviews these theories and their implications for prices and market...

Nonreciprocal trade preference programs originated in the 1970s under the Generalized System of Preferences (GSP) as an effort by high-income developed countries to provide tariff concessions for low-income countries. The goal of the programs was to increase export earnings, promote...

Agricultural trade barriers and producer subsidies inflict real costs, both on the countries that use these policies and on their trade partners. Trade barriers lower demand for trade partners' products, domestic subsidies can induce an oversupply of agricultural products which depresses world...