"The United States imports around 25 percent of its merchandise under some form of preferential trade regime. The authors examine both the origins and consequences of U.S. trade preferences in the context of the gravity model of international trade. First, they provide estimates of the impact of...

The United States imports around 25% of its merchandise under some form of preferential trade regime. This paper examines both the origins and the consequences of U.S. trade preferences in the context of the gravity model of international trade. The main contributions of the paper are threefold....