Existing studies from the United States, Latin America, and Asia provide scant evidence that private schools dramatically improve academic performance relative to public schools. Using data from Kenya — a poor country with weak public institutions — we find a large effect of private...

The recent wave of randomized trials in development economics has provoked criticisms regarding external validity. We investigate two concerns — heterogeneity across beneficiaries and implementers — in a randomized trial of contract teachers in Kenyan schools. The intervention, previously...

Good health is a determinant of economic growth and a component of well-being. This paper discusses and synthesizes economic models of individual and household behavior, showing how they may be used to illuminate health policy making in low-income countries. The models could help address...

We develop new tests for the completeness of rural labor markets. The tests are based on a theoretical link between a shortage or surplus in the labor market and asymmetric responses to changes in household composition over time. We develop auxiliary tests to distinguish other types of market...

The paper investigates birth weight and its correlates in Kenya using nationally representative data collected by the government in the early 1990s. I find that immunisation of the mother against tetanus during pregnancy is strongly associated with improvements in birth weight. Other factors...

In 2003 Kenya abolished user fees in all government primary schools. Analysis of household survey data shows this policy contributed to a shift in demand away from free schools, where net enrollment stagnated after 2003, toward fee-charging private schools, where both enrollment and fee levels...

In 2003 Kenya abolished user fees in all government primary schools. Analysis of household survey data shows this policy contributed to a shift in demand away from free schools, where net enrollment stagnated after 2003, toward fee-charging private schools, where both enrollment and fee levels...