Because of concern that OECD tariff reductions will translate intoworsening export performance for the least developed countries, trade preferences haveproven a stumbling block to developing country support for multilateral liberalization.We examine the actual scope for preference erosion,...

This paper is concerned with rules of origin when intermediate goods aredifferentiated. An analytical model emphasizes trade patterns and the relativeimportance of trade in intermediates given trade preferences. Econometric evidencebased on intra-OECD trade in motor vehicles and motor vehicle...