Member countries of the Economic Community of West African States (ECOWAS) are expected to form a West African Monetary Zone (WAMZ) by December 2009, whereby members would use a common currency in an attempt to promote regional integration. Evidence suggests that reduction in transaction cost as...

Risk efficiency of rice grain yield and returns to farm operators' household resources generated from an improved short-duration cover crop fallow system were compared with (traditional) natural bush fallow, and continuous rice-cropping systems. The improved fallow system involved maintaining...