The methodological problems associated with standard partial equilibrium models may impart a significant bias in their projections of the trade effects of tariff cuts. First, these models fail to account for the price-raising effects of nontariff barriers (NTBs) that shift the supply curve for...

While major concerns have been expressed about the spread of non-tariff barriers (NTBs) in developing countries, the lack of empirical information on the dimensions of the increase has affected the related policy debates. Using inventories of NTBs in developed countries compiled for 1966 and...