Data that can be used to inform policy decisions are typically scarce in low-income countries, where standard policy prescriptions are less likely to apply. But if strategically designed, a survey can help induce policy change by pointing directly to...

Public expenditure tracking surveys (PETS) allow policy makers to diagnose how incentives and accountability systems are working in practice and how they can be improved. Among the results provided by PETS are estimates of leakage, data on the...