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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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Political Economy & Governance

The Perils of Building Democracy in Africa: Evidence from Kenya

Vincent Pons, Tavneet Suri , Benjamin Marx

Citizen trust and participation in the political system are necessary for stable democratic regimes. During the 2013 National Elections in Kenya, the Independent Electoral and Boundaries Commission (IEBC) sent text messages to approximately two million registered voters to promote public interest and knowledge and to raise voter turnout. Researchers found that the text message campaign increased...

Gender, Labor Markets, Health, Education

The Impact of Youth Clubs on Women’s Empowerment in Niger

Elise Huillery , Hélène Giacobino, Bastien Michel

Teaching life skills to young girls may empower them to make more informed decisions over key life cycle events like sex, reproduction, and marriage. However, social norms that constrain women’s decision-making power may hamper the effectiveness of empowerment programs for women.


The Impact of a Graduation Program on Livelihoods in Refugee and Host Communities in Uganda

Christopher Udry, Dean Karlan , Lasse Brune, Doug Parkerson, Nathanael Goldberg

Evidence from multiple contexts suggests that the Graduation approach, which provides holistic livelihood support for ultra-poor households, has lasting positive impacts on a range of outcomes. However, graduation programs are relatively expensive because of the intense level of support they offer. The costs pose a challenge for governments that want to implement the approach at scale. More...

Agriculture, Finance

The Impact of Advanced Payments on Farmer Welfare and Company Profitability in Zambia

Kelsey Jack , Günther Fink, Felix Masiye

Many farming households in sub-Saharan Africa lack access to formal credit and struggle to make ends meet between harvests. In a previous evaluation, researchers found that increasing access to credit during the hungry season helped farming households in rural Zambia allocate labor more efficiently, leading to improvements in productivity and well-being.

Market stall in Accra, Ghana

Firms, Gender, Labor Markets

The Impacts of Cash versus In-kind Grants on Firm Growth in Ghana

Marcel Fafchamps , Christopher Woodruff , David McKenzie, Simon Quinn

Researchers conducted a randomized evaluation of male- and female-owned firms in Ghana to identify and distinguish the impacts of cash and in-kind transfers on the profits of microenterprises. Results indicate that the impacts of cash and in-kind transfers vary according to firm size, profitability, and gender, where female-owned, high-profit firms experienced substantial growth with the support...


The Impact of Internet Connectivity in Kenya

This randomized evaluation will measure the impact of providing free cellular data to mobile phone users on access to jobs and skills, access to formal and informal credit, use of the internet (including use of social networking), and political and social attitudes.