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Search our database of 946 randomized evaluations conducted by our affiliates in 81 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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A teacher writes on chalk board in Kenya.


Flipcharts, School Inputs and Retrospective versus Prospective Analyses in Kenya

Michael Kremer, Paul Glewwe , Sylvie Moulin, Eric Zitzewitz

Evidence from Kenyan primary schools suggests that retrospective studies may seriously overestimate the impact of school inputs such as visual flipcharts on learning.


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...

Education, Health, Gender

Peer Effects, Alcohol, and College Roommates in the United States

Male college students are significantly influenced by their dorm roommate’s drinking behavior in the United States.

Education, Crime, Violence, & Conflict

Peer Effects, Diversity, and College Roommates in the United States

Dan Levy, Michael Kremer , Johanne Boisjoly, Greg Duncan, Jacque Eccles

College students in the United States become more empathetic towards the social groups to which their roommates belong.


Teacher Incentives Based on Students' Test Scores in Kenya

Michael Kremer, Paul Glewwe , Nauman Ilias

Teacher incentives based on student performance result in “teaching the test,” and do not appear to produce long term positive educational outcomes in Kenya.