The history of foreign development assistance is one of movement away from addressing immediate needs to a focus on the underlying causes of poverty. A recent manifestation is the move towards quot;sustainability,quot; which stresses community mobilization, education, and cost-recovery. This...

The World Bank was founded to correct failures in international capital markets. That role has shifted over the past 70 years. Modern analyses should proceed from the premise that the Bank's central goal is and should be to reduce extreme poverty. We show that the vast majority of donor...

This paper critically reviews the existing research on the cost-effective prevention and treatment of diarrheal diseases, and identifies research priorities in this area aimed at finding ways to reduce the diarrheal disease burden. In contrast to the empirical knowledge base that exists for...

We argue that in pharmaceutical markets, variation in the arrival time of consumer heterogeneity creates differences between a producer’s ability to extract consumer surplus with preventives and treatments, potentially distorting R&D decisions. If consumers vary only in disease risk, revenue...

The G8 is considering committing to purchase vaccines against diseases concentrated in low-income countries (if and when desirable vaccines are developed) as a way to spur research and development on vaccines for these diseases. Under such an "advance market commitment," one or more sponsors...

This paper surveys evidence from recent randomized evaluations in developing countries on the impact of price on access to health and education. The debate on user fees has been contentious, but until recently much of the evidence was anecdotal. Randomized evaluations across a variety of...