Search our database of 1,800+ randomized evaluations conducted by our affiliates in 96 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Encouraging Carpooling in Malaysia and Singapore

Ruimin He
Zoe Hitzig
Xin Wei Ngiam
Traffic is a significant concern in many rapidly developing and urbanizing countries, as it contributes to increased commute times, pollution, and fuel consumption. One solution to this challenge could be ride-sharing to reduce the number of cars on the road. In Malaysia and Singapore, researchers...

Disseminating Flood Warnings to Increase Disaster Preparedness in India

Researchers are conducting a randomized evaluation to test the impact of providing flood early warnings to rural households through smartphone alerts and community volunteers on their flood preparedness and responsiveness, as well as post-flood health and economic outcomes.

Community Based Rangeland Management in Namibia

David Coppock
Luke Crowley
Susan Durham
Dylan Groves
Brien Norton
R. Douglas Ramsey
In Namibia, researchers measured the impact of a community-based natural resource management program on livestock assets, income, social cohesion, and land quality. Community-based rangeland management improved rangeland grazing management, community governance of the rangelands, and farmer...

Demand for Nontraditional Cookstoves in Bangladesh

Robert Bailis
Puneet Dwivedi
Lynn Hildemann
In Bangladesh, researchers evaluated how varying husband-wife dynamics, information, and prices could affect purchases of widely available “improved” stoves, which substantially reduce indoor air pollution. They found that women have stronger preferences for improved stoves than their husbands, but...

The Timing and Effectiveness of Subsidies for Agricultural Technology Adoption in Zambia

Samuel Bell
Christopher Severen
Elizabeth Walker
Technology adoption often requires investments over time. As farmers realize new information about the costs and benefits of investments, they may abandon the newly adopted technology shortly after. Researchers partnered with the non-governmental organization Shared Value Africa and Dunavant Cotton...