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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The Impact of Peer Messaging to Combat the Spread of Covid-19 in Zambia

Researchers conducted a randomized evaluation in Zambia to test the impact of a peer-based information campaign, consisting of SMS messages and small cash incentives, on people’s adherence to Covid-19 health protocols. Participants forwarded public health SMSs when they were encouraged to do so, yet...

Providing information on wood heating to decrease indoor air pollution in France

Coralie Chevallier
Mathieu Perona
Rita Abdel Sater
Researchers evaluated the impact of general and personalized information regarding the relationship between wood burning and indoor pollution on households’ knowledge of pollution and their pollution mitigation efforts. Both general and personalized information increased households’ awareness of...

Cash Transfers’ Effects on Food Consumption in Mexico

Carlos Chiapa
Irvin Rojas
Researchers conducted a randomized evaluation to test the impact of the anti-poverty cash transfer program, PROSPERA, on food consumption for families living in poverty in Mexico. Households consumed enough food both before and after receiving the cash transfer.

The Effect of Bureaucrat Performance Scorecards on Service Delivery and Bribes in Bangladesh

Researchers evaluated the impact of performance scorecards on the speed of delivery and the payment of bribes. Results show that the intervention increased on-time service delivery, but did not decrease bribe payments on average; bribes among high-performers increased.

Building Trust in Fertilizer Quality Among Farmers in Tanzania

Annemie Maertens
Researchers conducted an evaluation to test the impact of an information campaign about fertilizer quality on farmers’ beliefs and their purchase and use of fertilizer. The information campaign led farmers to change their beliefs about the quality of fertilizer available in local markets and to buy...

Governance Interventions to Improve Public Health Delivery in Uganda

Joshua Greenberg
The researcher conducted a pilot randomized evaluation to test the feasibility of a regular community accountability meeting program and a politician health leadership program, as well as the feasibility of associated data collection activities. Both interventions realized considerable stakeholder...

The Impacts of In-kind Food Transfers versus Electronic Vouchers on Poverty Reduction in Indonesia

SUDARNO SUDARNO
Sudarno Sumarto
Researchers partnered with the Government of Indonesia to measure the impact of replacing the delivery of their food assistance program from in-kind transfers to electronic vouchers on household welfare. The reform was more effective in delivering assistance to targeted beneficiaries and helped...