There is substantial evidence that with the progressive global decline in tariffs over several decades, trade costs are a more significant barrier to trade than tariffs, especially in Sub-Saharan Africa. This paper decomposes trade costs into three categories: costs that can be lowered by trade...

May 2000 - Two theories are combined to explain why free trade areas (FTAs) have proliferated more than customs unions (CUs) have, and why FTAs are found more in North-South agreements and CUs in South-South agreements. Schiff combines two theories - one about how multilateral trade...