Member countries of the Economic Community of West African States (ECOWAS) are expected to form a West African Monetary Zone (WAMZ) by 2004 whereby member countries would use a common currency in an attempt to promote regional integration. Evidence suggests that reduction in transaction cost as...

Interspatial and intertemporal grain distribution in Ghana is a private sectoractivity carried out mainly by traders. These traders sometimes collude to maximize theirjoint profits. By so doing they influence the conduct of the grains market. To examine theeffect of their actions on the informal...

A conservative ex-ante assessment of supply-shift gains alone (excluding social and environmental gains), shows that the investment in zero tillage (ZT) R&D by the Rice-Wheat Consortium and CIMMYT was highly beneficial with a benefit-cost ratio of 39, a net present value of US$ 94 million and an...

"The recent stagnation of productivity growth in the irrigated areas of the Indo-Gangetic Plains of South Asia has led to a quest for resource-conserving technologies that can save water, reduce production costs and improve production. The present synthesis of two detailed country studies...