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...

A large empirical literature has shown that user fees significantly deter public service utilization in developing countries. While most of these results reflect partial equilibrium analysis, we find that the nationwide abolition of public school fees in Kenya in 2003 led to no increase in net...