Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 99 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 25-32 of 1272

Improving Voter Participation through Mobile Phones and Newspapers in Mozambique

Paul Collier
Ana Vaz
Pedro Vicente
In Mozambique, researchers evaluated if an information campaign using SMS, a hotline for electoral misconduct, and a free newspaper could affect voter turnout and other elections-related outcomes. All three programs increased voter turnout, while only distributing the newspaper strengthened demand...

Vouchers for Private Schooling in Colombia

Joshua Angrist
Erik Bloom
Elizabeth King
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...

Limiting Learning Loss using Phone-based Programming during Covid-19 in Botswana

Caton Brewster
Moitshepi Matsheng
Working in Botswana, researchers rapidly evaluated a phone-based remote learning program aimed at keeping children engaged with math during the Covid-19 pandemic. Students who received weekly SMS messages and phone calls to review math exercises increased their math skills after twelve weeks, while...

The Impact of Personalized Information on Informed School Choice in Chile

Researchers conducted a randomized evaluation to measure the impact of an information program on parental school choice and long-term student achievement. They found that the intervention shifted household school choices of those who were not enrolled before the intervention toward establishments...

The Effect of Randomized School Admissions on Voter Participation in the United States

Understanding the factors that influence voting behavior is a central policy issue. Often voting outcomes directly determine funding of critical public goods such as public education.

The Impact of Unconditional Cash Transfers on Health Outcomes in Chelsea, Massachusetts

Sumit Agarwal
Benjamin Le Cook
The City of Chelsea implemented a cash transfer program called Chelsea Eats, which provided eligible households with up to US$400 per month for nine months. Researchers conducted a randomized evaluation on the impact of the unconditional cash transfer on health care utilization and a variety of...

The Impact of Communication Messages on Student Performance in São Paulo, Brazil

Researchers, in partnership with the São Paulo Education Secretariat, conducted a randomized evaluation in ninth grade classrooms to investigate the mechanisms driving the effects of communicating with parents on education outcomes.

The Impact of Wages on Labor Supply in Rural Malawi

Researchers partnered with a local organization in Malawi to randomly vary the wages offered in a rural cash-for-work program, and evaluate the impact of wages on participants’ willingness to work. They found that nearly three-quarters of participants were willing to perform agricultural work even...