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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


Vouchers for Private Schooling in Colombia

Eric Bettinger, Michael Kremer , Joshua Angrist, Erik Bloom, Elizabeth King, Juan Saavedra

Colombia used lotteries to distribute vouchers which partially covered the cost of private secondary school for students who maintained satisfactory academic progress. Three years after the lotteries, winners were about 10 percentage points more likely to have finished 8th grade, primarily because they were less likely to repeat grades, and scored 0.2 standard deviations higher on achievement...


Teacher Incentives Based on Students' Test Scores in Kenya

Michael Kremer, Paul Glewwe , Nauman Ilias

In partnership with International Child Support, researchers designed and evaluated a incentives program that provided salary bonuses to teachers in Kenya based on the performance of their school as a whole on annual district exams. While results show that the incentives program led to an increase in student test scores, researchers believe that this increase was due to improved test-taking...

A teacher hands out textbooks to students in Kenya.


Textbooks and Test Scores in Kenya

Michael Kremer, Paul Glewwe , Sylvie Moulin

The provision of textbooks in schools has no impact on average test scores or student attendance: test scores increased for already high-achieving students, but many in lower grades were unable to read them.

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.

Dirt road in rural area with piles of rocks along edges

Political Economy & Governance

Combating Corruption in Community Development in Indonesia

Top-down audits effectively reduced corruption in Indonesian village road projects, but community-level monitoring had no effect unless pains were taken to prevent control by elites.

Political Economy & Governance

Direct Democracy and Local Public Goods in Indonesia

Choosing local infrastructure projects by direct election, rather than through representatives, had a small effect on the types of projects selected but a large impact on citizen satisfaction in Indonesia.