This paper argues that there are many challenges to designing and implementing water and sanitation interventions that actually deliver economic benefits to the households in developing countries. Perhaps most critical to successful water and sanitation investments is to discover and implement...

This review provides a timely summary of the current understanding of the various impacts and contributes positively to the policy debate. We have several key conclusions: (1) Biofuels are diverse and evolving; (2) Greenhouse gas (GHG) benefits vary significantly across various types of biofuels...

This survey focuses on political economy theories of the resource curse and scrutinizes how well, or poorly, these theories have been integrated with empirical work. One reason why this integration is important lies in the practical importance of pinning down the causal links involved in the...