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Search our database of 1,001 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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226 Results
Two women sit in front of mud stove

Environment, Energy, & Climate Change, Health, Gender

Cooking Stoves, Indoor Air Pollution, and Respiratory Health in India

Improved cooking stoves may be a way to reduce exposure to indoor air pollution, improve health, and decrease greenhouse gas emissions. This is largely supported by observational field studies and laboratory experiments. This study tested the impact of a commonly used improved stove that had been shown to reduce indoor air pollution and require less fuel in laboratory tests. While researchers...

Finance, Health

Providing Health Insurance through Microfinance Networks in Rural Karnataka, India

Abhijit Banerjee, Esther Duflo , Richard Hornbeck

Researchers partnered with SKS Microfinance to measure the impact of bundling a health insurance product with microloan renewals on health insurance take-up, and health care use and spending. They found that the requirement to purchase health insurance substantially reduced microcredit clients’ loan renewal rates, meaning that people were willing to give up credit to avoid buying insurance.


Interest Rates, Loan Maturity and Demand for Microfinance Loans in South Africa

Policymakers often prescribe that microfinance institutions increase interest rates to eliminate their reliance on subsidies. This strategy makes sense if the poor are rate insensitive: then microlenders increase profitability (or achieve sustainability) without reducing the poor’s access to credit. Researchers tested the assumption of price inelastic demand using a randomized evaluation in South...

Political Economy & Governance

Effect of Media on Voting Behavior and Political Opinions in the United States

Dean Karlan, Alan Gerber , Daniel Bergan

This study measured the effect of receiving free subscriptions to either a liberal or conservative leaning newspaper on voters’ political knowledge and opinions in the United States. Results demonstrated that neither subscription had an impact on voters' political knowledge, but that both subscriptions caused voters to increase their support for the Democratic presidential candidate. This...

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.