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.

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Flood irrigation used by smallholder farmers

Price Incentives for Groundwater Conservation in India

Nick Hagerty
Ariel Zucker
Researchers partnered with a rural development organization to evaluate financial incentives for voluntary groundwater conservation among smallholder farmers in Gujarat, India.
A folder full of overdue medical bills.

Forgive and Forget: The Impact of Medical Debt Forgiveness on Financial Outcomes in the United States

Raymond Kluender
Neale Mahoney
Francis Wong
Wes Yin
In this randomized evaluation, researchers evaluated the impact of a medical debt relief program (that buys and relieves a portion of individuals’ medical debt) on measures of mental and physical health, health care utilization, and financial well-being—including financial distress, credit score...
Row of Victorian style houses in San Jose, California

The Impact of Offering Pay-as-you-go Car Insurance on Covering Drivers in California

Researchers conducted a randomized evaluation to test the impact of introducing a pay-as-you-go car insurance contract, which reduces minimum purchase requirements, to uninsured drivers in California. Applicants who were offered this type of insurance were nearly twice as likely to purchase car...
Close up, business woman using mobile smart phone

The Effect of Text Message Reminders on Failure to Appear in Court in the Rural United States

Researchers conducted a randomized evaluation to test the impact of text message reminders on rates of failure to appear in court (FTA) among people who are unhoused and housed in rural Shasta County, California. The reminders reduced FTA rates for the housed population, but did not impact FTA rates...
Man in denim shirt sits at a laptop and has a phone up to his ear.

The Impact of Outreach and Assistance from Navigators on Medicaid Renewals in the United States

Laura Dague
Allison Espeseth
Rebecca Myerson
Researchers assessed the impact of outreach on Medicaid retention; outreach messages provided a reminder to renew as well as information about how to obtain free one-on-one assistance with renewal processes from health insurance navigators. Outreach using pre-recorded calls prevented denials due to...
Person leans over desk with phone in hand

Costs of Failure to Appear for Arraignment

Natalia Emanuel
Helen Ho
Researchers will conduct a randomized evaluation to test the impact of different types of notifications on rates of failure to appear in traffic and criminal misdemeanor courts.
Students stand behind their desks in a classroom clapping their hands together.

The Impact of Secondary School Exam Preparatory Courses on Student Education and Labor in Tanzania Among Out-of-School Youth

James Ward Khakshi
Ketki Sheth
Researchers are conducting a randomized evaluation to test the impact of offering stipends for exit exam preparatory courses on students’ exam completion and subsequent education, labor market, and marital outcomes.
Indian man in a field talking on phone

Using Technology to Improve Direct Benefit Transfer in India

Eric Dodge
Charity Troyer Moore
Yusuf Neggers
Rohini Pande
Can using technological innovations for monitoring improve the administrative implementation of social protection programs? In partnership with the Ministry of Rural Development in two states in India, researchers conducted a randomized evaluation of a new internet- and mobile-based management and...