In the past decade economists have begun to carry out randomised field trials in social settings to examine effectiveness of developmental projects that ranged from micro-financing to vaccination in a school setting. There is strong recognition among economists that experimental design in a...

This article details the design of an impact evaluation of the Millennium Villages Project in Northern Ghana. The evaluation is particularly challenging because the intervention cannot be randomised; it is clustered in a group of homogeneous communities and likely to generate spill-over effects....

This paper summarizes the literature on the impact of state subsidized or social health insurance schemes that have been offered, mostly on a voluntary basis, to the informal sector in low- and middle-income countries. A substantial number of papers provide estimations of average treatment on...

Professors Bhagwati and Panagariya in their recent book have sought to debunk what they perceive to be common mistaken perceptions about the Indian economic performance. They argue reforms centering on a more open economy of early 1990s is the primary spurt behind economic growth. India’s...

The problem of the proliferation of the number of aid donors and aid channels continues to worsen. It is widely and plausibly believed that this significantly reduces the value of aid by increasing direct and indirect transactions costs. We contribute to the existing literature by: (a)...

The growing use of cost-effectiveness analysis (CEA) to evaluate specific interventions is dominated by studies of prospective new interventions compared with current practice. This type of analysis does not explicitly take a sectoral perspective in which the costs and effectiveness of all...