Search our database of 1001 randomized evaluations conducted by our affiliates in 83 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

Business Education for Microcredit Clients in Peru

Dean Karlan
Martin Valdivia
Girls who scored in the top 15 percent on tests received merit-based scholarships, Kenya.

Incentives to Learn: A Merit-Based Girls' Scholarship Program in Kenya

Edward Miguel
Michael Kremer
Rebecca Thornton
DNA swab of saliva taken from woman

The Demand for and Impact of Learning HIV Status in Malawi

Rebecca Thornton
Susan Godlonton
Nicole Angotti
Agatha Bula
Lauren Gaydosh
Sara Yeatman
Eitan Zeev Kimchi
Dirt road in rural area with piles of rocks along edges

Combating Corruption in Community Development in Indonesia

Benjamin A. Olken
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Back of three men's heads looking at papers taped to the wall

Election Fraud and Government Legitimacy in Afghanistan

Michael Callen
James Long
Eli Berman
Clark Gibson

Researchers evaluated the impact of photographic monitoring technology on aggregation fraud and perceptions of government legitimacy during the 2010 parliamentary elections in Afghanistan. The announcement of a new monitoring technology reduced both theft of election materials and vote counts for...

The Impact of Employment on High-Risk Men in Liberia

Chris Blattman
Jeannie Annan

In Liberia, researchers tested the effect of an intensive agricultural training program on employment activities, income, and socio-political integration. The program increased participants’ employment in agriculture and average wealth and decreased the amount of time they spent in illicit...

Police Performance and Public Perception in Rajasthan, India

Abhijit Banerjee
Daniel Keniston
Esther Duflo
Raghabendra Chattopadhyay

Better training and longer job postings improved police performance and public perceptions of the police force.

Mass Media Experiments to Reduce Violence Against Women in Tanzania

Donald Green
Dylan Groves
Constantine Manda
Rachel Jones
Women across the world face systemic challenges to their health and safety, including intimate partner violence, sexual violence, forced marriage, and disempowerment within the household. One potential way to counter these issues is through media messaging that is designed to change people’s...
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Comparing Cash and Voucher Transfers in a Humanitarian Context: Evidence from the Democratic Republic of Congo

Jenny Aker
Researchers tested the relative effectiveness and cost-effectiveness of an unconditional cash transfer and a voucher program on household consumption and well-being in a camp for internally displaced persons in the Democratic Republic of Congo. Both programs increased food security and asset...
Participants in the One Summer Chicago program received a summer job and an adult mentor

Scaling and Unpacking a Successful Summer Jobs Program

Sara Heller
Marianne Bertrand
Recent studies have found that summer youth employment programs appear to generate large declines in the rates of violent crime—a significant finding for urban policymakers seeking to create safer, more vibrant cities.

Cognitive Behavioral Training to Improve Mental Health Among Conflict-Affected Entrepreneurs in Pakistan

Julian Jamison
Priyam Saraf
Tasmia Rahman
Mental health, well-being, and lasting economic outcomes are intimately connected, and in conflict-affected areas, entrepreneurs of small- and medium-sized enterprises (SME) experience chronic stress and poor mental health on a regular basis. Researchers evaluated the effects of supplementing a cash...

The Effects of Exposure to Financial Markets on Voter Behavior in Israel

Saumitra Jha
Moses Shayo
In many societies facing violent conflict, policymakers have attempted a number of strategies to reduce conflict and generate support for peace initiatives, but rarely consider the role that exposure to financial markets can play in mitigating social conflict. Researchers evaluated the impacts of...