This paper presents a theoretical gravity model of trade in which foreign aid is considered as a transfer instead of being part of the trade cost, as it has been previously done in the related literature. We argue that the usual specification leads to invalid out-of-sample predictions, biased...

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,...