Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

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Interaction, Stereotypes and Performance: Evidence from South Africa

Researchers studied the effects of a university policy in South Africa to promote racial integration, by randomly allocating incoming students to roommates of a different race. The policy reduced negative racial stereotypes among white students, improved attitudes and behaviors towards members of...

The Impact of Bid Training on Small Firm Growth in Liberia

Fei Ao
Vinayak Ayer
Golvine de Rochambeau
Researchers evaluated the impact of a bid training program on the business performance of local small and medium-sized firms. The bid training led firms to bid on and win more contracts, with the positive impacts concentrated on a quarter of firms.

Creating Incentives to Decrease Water Waste in Zambia

Researchers partnered with a water company in Zambia to evaluate whether improved information and incentives can help households manage their water usage. They found that targeting incentives to higher household water consumers might be an effective way to reduce water consumption.

Mass Media Experiments to Reduce Violence Against Women in Tanzania

Dylan Groves
Rachel Jones
Building on an earlier study in Uganda, researchers are working with Innovations for Poverty Action to measure the impact of radio programming on gender-related attitudes and behaviors.

Creating a Toilet Habit in Kenya

Berhe Beyene
Johann Caro Burnett
Judy Chevalier

Improving local tax collection through technology in Ghana

David Lagakos
In partnership with Melchia Investments, a private Ghanaian technology company, researchers are conducting a pilot randomized evaluation to identify the effectiveness of a new tax collection technology in increasing property tax revenues for local governments.

Transport Subsidies and Job Matchmaking in South Africa

In sub-Saharan Africa, youth unemployment is expected to reach 50 percent by 2025. One reason for high unemployment among this group is that youth may live geographically far from where many jobs are located, making traveling to search for employment difficult and expensive. Researchers conducted a...

Improving Rug Firm Performance through Exporting in Egypt

Researchers partnered with Aid to Artisans (ATA), a US-based nonprofit, and Hamis Carpets, an Egypt-based distributor, to provide small-scale rug manufacturers the opportunity to export to high-income countries. Offering small firms the opportunity to export rugs to high-income markets increased...