Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 161-168 of 1232

Citizen Demand for Corruption: Evidence from Roadway Tolls in the D.R. Congo

Otis Reid
Jonathan Weigel
Researchers conducted a randomized evaluation of incentives for motorcycle taxi drivers to pay the legal road tolls in the Democratic Republic of the Congo. Results suggest that financial incentives reduced bribery by seven to ten percentage points.
Students in class

The Impact of a Public Sector Management Program on Student Learning Outcomes in India

Karthik Muralidharan
Abhijeet Singh
In India, researchers evaluated the impact of a public sector management program involving comprehensive assessments of schools, detailed school ratings, and customized school improvement plans, on school functioning and student learning. Researchers found that the MPSQA program was successful in...

Designing Incentives to Combat Urban Diabetes in India

Shilpa Aggarwal
Rebecca Dizon-Ross
Ariel Zucker
In partnership with the Government of Tamil Nadu, researchers evaluated the impact of incentivizing and monitoring walking on exercise and health. Incentives increased walking and improved health, as measured by risk factors for diabetes and by mental health.

Reducing the Incidence of Vote Buying in Uganda

Chris Blattman
Horacio Larreguy
Benjamin Marx
Otis Reid
During the 2016 Ugandan elections, researchers conducted a randomized evaluation of an anti-vote-buying campaign to study voter behavior and electoral outcomes. Overall, the campaign did not reduce the extent of vote buying, but it had substantial effects on electoral outcomes.
Students working at a Mindspark center in Delhi.

Disrupting Education? Evidence on Technology-Aided Instruction in India

Alejandro Ganimian
Karthik Muralidharan
Abhijeet Singh
Researchers evaluated a computer-based adaptive learning platform (Mindspark) for secondary school students in urban India to measure the impact of customized learning technology on student test scores. The program increased test scores across all groups of students and was cost-effective compared...
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Examining Underinvestment in Agriculture: Returns to Capital and Insurance Among Farmers in Ghana

Dean Karlan
Robert Osei
Isaac Osei-Akoto
Christopher Udry
Researchers in northern Ghana evaluated the underlying reason for underinvestment by examining the relative effectiveness of cash grants and insurance grants in improving crop yields. Results suggest that uninsured risk, rather than a lack of capital, was the primary constraint on investment...
Man in Uganda selling maize

Building Market Linkages for Smallholder Farmers through a Digital Marketplace in Uganda

Lauren Falcao Bergquist
Craig McIntosh
Meredith Startz
Researchers conducted a randomized evaluation in Uganda to test the impact of a mobile phone-based marketplace for agricultural commodities on local market prices, entry of traders, farmer revenue, and trader profits. Overall, the platform increased trade flows and decreased price variation across...
Three school girls stand with a chalkboard sign that reads "Education."

Providing Life Skills Training and Mentoring To Reduce School Dropout Among Girls in India

Eric Edmonds
Benjamin Feigenberg
Jessica Leight
Researchers conducted a randomized evaluation to test the impact of life skills training and mentoring on dropout rates and non-cognitive skills among girls in India. Their evidence suggests that the intervention is successful in developing stronger life skills including increased agency, more...