Search our database of policy briefcases and bulletins. Briefcases summarize the results and policy recommendations from one randomized evaluation, while bulletins synthesize the broader policy lessons emerging from multiple evaluations on the same topic.
The estimated impacts of charter schools have varied widely. In Massachusetts, students who won lotteries for charter schools located in urban areas often did substantially better than students who lost, while students who won lotteries for charter schools in nonurban areas fared, on average, about the same or somewhat worse compared to those who lost. A common feature of the charter schools...
The Value Added Tax (VAT) system, which generates a paper trail on transactions between firms, facilitated tax enforcement by spreading the impact of enforcement measures up the production chain in a study with over 400,000 firms in Chile.
Early childhood stimulation programs implemented at home with parents can contribute to children’s cognitive and socio-emotional development, ultimately enabling them to improve on a number of future life outcomes, including academic achievement, employment, and earnings. Such programs can be implemented cost-effectively and at scale.
Weather index insurance protects farmers against losses from extreme weather and facilitates investment in their farms, but randomized evaluations in South Asia and sub-Saharan Africa have shown low demand for these products at market prices, suggesting the need for alternative approaches.