This paper illustrates the extent and the cost of nontariff barriers to international trade. It proposes one possible scheme for removing some of them-negotiations between developing and industrial c ountries organized along the "principal supplier" lines used in GATT tariff negotiations prior...

Many commentators purport to use the Kemp-Wan (1976) theorem to discuss the effects of regional integration schemes on nonmember countries and to operationalize the theorem in terms of the share of member countries' imports coming from nonmembers. The author shows that Kemp and Wan say nothing...