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,...

Economic opinion is in the process of re-interpreting low levels of uptake of non-reciprocal pre-ferential trade agreements (PTAs) partly in terms of administrative barriers to preference utiliza-tion. Primary amongst these barriers are Rules of Origin. This paper reviews the literature on Rules...