Search our database of 1157 randomized evaluations conducted by our affiliates in 95 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

Displaying 1-8 of 1157

Ride-Hailing Services to Increase Urban Mobility in Egypt

Researchers collaborated with Uber in Egypt to assess the impacts of expanding access to its ride services through price on the demand for ride-hailing and overall consumer mobility. Lowering the price of ride-hailing services increased people’s use of Uber and overall consumer mobility.

The Impact of Mobile Money on the Purchase of Improved Sanitation Services in Senegal

Molly Lipscomb
The proliferation of mobile money across low- and middle-income countries has led to increased availability of mobile payment systems, which can potentially allow more flexible payment terms for customers. Subsidies increased the use of mechanized desludgings, while pre-paid deposit requirements had...

Free Provision of Drinking Water Treatment and Child Survival: Evidence from Kenya

Ricardo Maertens
Brandon Joel Tan
Diarrhea is a leading cause of death in children under the age of 5, but adding small amounts of chlorine into water can treat water and prevent a large number of these deaths. Providing free dispensers for chlorine to treat water reduced under-five mortality. Children living in villages with dilute...

Property Tax Experiment in Punjab, Pakistan: Testing the Role of Wages, Incentives and Audit on Tax Inspectors' Behavior

Researchers conducted a two-year randomized evaluation of incentive schemes for tax officials in Punjab, Pakistan that found performance pay significantly increased tax revenues without harming taxpayer satisfaction.

School Electricity and Native Language Digital Media to Improve Student Learning in Tanzania

Hee Kwon Seo
Making electricity and learning materials in students’ native language more widely available in schools may be beneficial to student learning, but existing evidence is sparse. Researchers conducted a randomized evaluation to test the impact of school electrification, delivered alongside mixed...