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Search our database of 994 randomized evaluations conducted by our affiliates in 84 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Father with young children

Finance, Health, Gender

Small Individual Loans and Mental Health in South Africa

Dean Karlan, Jonathan Zinman , Lia C.H. Fernald, Emily J. Ozer, Rita Hamad

Approving loans for marginally creditworthy applicants can improve economic outcomes for poor households and generate profits for lenders in South Africa.

Man and woman assembling a bed net in rural Kenya.


The Role of Exposure, Social Networks and Marketing Messages in Households' Willingness to Pay for Malaria Prevention in Kenya

The take-up of insecticide-treated bed nets by rural households in Kenya doesn’t vary with the framing of marketing messages, but is highly sensitive to changes in price.

Health, Gender

Free Distribution or Cost Sharing? Evidence from a Malaria Prevention Experiment in Kenya

Free distribution of insecticide-treated bed nets is preferred to partial subsidization in malaria-endemic areas of Kenya.

Boy watching water pour out of a concrete-encased spring.

Environment, Energy, & Climate Change, Health, Gender

Cleaning Springs in Kenya

Edward Miguel, Michael Kremer , Alix Zwane, Jessica Leino

Protecting water sources from contamination reduces the amount of diarrhea-causing bacteria in drinking water in Kenya.

Young girl chlorinating her water at a point-of-use public dispenser, Kenya, 2015


Source Dispensers and Home Delivery of Chlorine in Kenya

Free chlorination products and peer marketing are linked to cleaner water in rural Kenya.

Health, Finance

CARES Commitment Savings for Smoking Cessation in the Philippines

Dean Karlan, Jonathan Zinman , Xavier Giné

Researchers evaluated the impact of a voluntary commitment savings program that allowed individuals to deposit a self-selected amount of their own money that would be forfeited if they did not quit smoking within six months. Results suggested that individuals who were offered the program were much more likely to quit smoking.