This paper explores the tradeoffs between domestic and productive uses of biomass energy sources in the Nile Basin of Ethiopia using a non -­‐separable farm household model where labor and other input allocations to energy collection and farming are analyzed simultaneously.

This article addresses the methodological complexities inherent in researching poverty, examining how to differentiate the poor from other social groups, and how to assess the relationships between poverty and technology adoption and impact. The use of specific types of quantitative and qualitative methods, the degree to which their integration was achieved, and the benefits of integration are analyzed.