This paper assesses the extent to which provider payment mechanisms can help developing countries address their leading health care problems. It first identifies four key problems in the health care systems in developing countries: 1) public facilities, which provide the bulk of secondary and...

This paper assesses the impact of fiscal policy on the incidence, depth, and severity of poverty, and examines whether there is room for an increased role for fiscal policy in improving the wellbeing of the poor. The results show that the combined effect of taxes and social spending helped...

This paper uses the 2010/11 Income and Expenditure Survey for South Africa to analyze the progressivity of the main tax and social spending programs and quantify their impact on poverty and inequality. The paper also assesses the redistributive effectiveness of fiscal interventions given the...

Program evaluations often focus on average treatment effects. However, average treatment effects miss important aspects of policy evaluation, such as the impact on inequality and whether treatment harms some individuals. A growing literature develops methods to evaluate such issues by examining...

Conditional cash transfer programs, whereby transfers to households are conditional on school attendance or health checkups, have become a widespread policy tool. They are viewed as a means of immediate poverty alleviation through the cash payments, and as a foundation of long-term poverty...

Mali, a landlocked West African nation at the southern edge of the Sahara Desert, has introduced a program to produce biodiesel using jatropha curcas, a non-edible shrub widely available throughout the country by farmers for generations as a living fence for their gardens. The aim of the program...

Economic development necessarily changes the welfare of socioeconomic groups to various degrees, depending on differences in their social arrangements. The challenge for policymakers is to select the changes that will be most socially desirable. The author demonstrates the usefulness of...

The WHO has recently debated whether to reaffirm its long-standing recommendation of mass drug administration (MDA) in areas with more than 20 percent prevalence of soil-transmitted helminths (hookworm, whipworm, and roundworm). There is consensus that the relevant deworming drugs are safe and...