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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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The Illusion of Sustainability: Comparing Free Provision of Deworming Drugs and Other "Sustainable" Approaches in Kenya

This study in Kenya found that cost-sharing and health education were not effective alternatives to a total subsidy of deworming drugs.

Education, Political Economy & Governance

Peer Effects, Pupil-Teacher Ratios, and Teacher Incentives in Kenya

Researchers evaluated three interventions that addressed the large class sizes and heterogeneity in student preparation in the Kenyan school system. They found that hiring additional local contract teachers helped reduce classroom overcrowding and improved student learning outcomes.

Education, Political Economy & Governance

Primary Education Management in Madagascar

Paul Glewwe , Trang Van Nguyen, Gerard Lassibille, Eugenie W. H. Maïga, Jee-Peng Tan, Cornelia Jesse

In Madagascar, researchers conducted a randomized evaluation to examine the relative impact of district-level ("top-down"), subdistrict-level, and school-level ("bottom-up") interventions on teacher behavior and student test scores. Results show that intervening at the district or subdistrict levels had minimal impact, while intervening at the school level significantly improved student test...

Finance, Political Economy & Governance, Gender

The Impacts of Community-Driven Development in Sierra Leone

Researchers evaluated the impact of a community-driven development program in Sierra Leone designed to establish more inclusive and accountable local decision-making infrastructure by providing villages with small development grants to be allocated by village committees. Results demonstrated the program successfully established village-level organizations and tools to manage development projects...

Women in headscarves seated on moroccan rugs process seeds


The Impact of Microcredit in Rural Morocco

Researchers estimated the impact of a microcredit program, which was randomly rolled out in rural areas of Morocco. Microcredit access led to a significant rise in investment in assets used for self-employment activities, and an increase in profit, but also to a reduction in income from casual labor. Overall, there was no gain in income or consumption.


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...