Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

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Providing Primary Education for Foundational Literacy and Numeracy in Guinea Bissau

Peter Boone
Baboucarr Bouy
Ila Fazzio
Pei-Tseng Jenny Hsieh
Chitra Jayanty
Simon Johnson
Robin L. Lumsdaine
Ana Filipa Silva
Researchers evaluated the impact of creating schools offering four years of primary education, in lieu of the government, on early grade reading and math skills in rural Guinea Bissau. The intervention led to substantial improvements in literacy and numeracy.

Agricultural Microinsurance for Sugar Cane Farmers in Kenya

Farming is risky: a drought, bad harvest, or dip in crop prices can leave small farmers in developing countries without a steady income throughout the year. Attempts to mitigate these risks with agricultural insurance have typically been unsuccessful because farmers have chosen not to buy insurance...

Improving Student Learning through Pay-for-Performance Teacher Contracts in Rwanda

Researchers conducted a randomized evaluation to test the impact of pay for performance contracts on teachers’ qualities, effort, and student learning in Rwanda. Pay for performance improved teacher effort, particularly their presence in classroom and their pedagogical effectiveness, and raised...

The Impact of a Formal Savings Intervention in Sri Lanka

Researchers conducted a randomized evaluation to test the impact of a deposit collection service on the amount of savings and the source of those savings. In a follow-up evaluation, researchers introduced design tweaks to test the impact of reducing collection costs on individuals’ savings behavior...

Providing Health Insurance through Microfinance Networks in Rural Karnataka, India

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...

Afghanistan Targeting the Ultra-Poor Impact Evaluation

Guadalupe Bedoya
Aidan Coville
Mohammad Isaqzadeh
Jeremy Shapiro
In Afghanistan, researchers evaluated the impact of a Targeting the Ultra Poor program on poverty reduction. The cost-effective program generated large positive impacts for women participants across key outcomes: consumption, assets, psychological well-being, total time spent working, financial...

The Impact of Different Messaging Strategies on Tax Compliance in Belgium

Maarten Luts
Jan-Emmanuel De Neve
Teodora Tsankova
Researchers partnered with the tax authority in Belgium to understand what types of messages drive people to comply with their taxes. Results show that simplified messages, as well as messages that highlighted the consequences of non-compliance, induced people to file and pay their taxes sooner. On...

Government Mobile Salary Payments for Teachers in Afghanistan

Joshua Blumenstock
In partnership with the Ministry of Education of Afghanistan, researchers are conducting a randomized evaluation to study whether mobile salary payments (MSPs) improve learning by increasing teacher attendance and morale.