This paper presents an empirical analysis of the macroeconomic and microeconomic factors underlying the causes and persistence of the U.S. external deficit in the 1980s. The paper begins with a review of the extensive literature on this subject, and then outlines an analytical framework that...

This paper analyzes the effects of a tariff on price-setting duopolists who cannot segment geographically distinct markets; hence, commercial policy has effects in domestic and foreign markets. Although each firm's payoff function is discontinuous, there is a unique equilibrium for an arbitrary...

This paper examines the interaction between preferential trade agreements (PTAs) and multilateral tariff reduction in a model of imperfect competition. A growing literature finds that the formation of PTAs alters the incentives for and the sustainability of multilateral tariff reduction. We show...