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 1282
Measuring a patient's blood sugar

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.
Three women hold chickens and talk to two men

Graduating the Ultra-Poor in Ghana

Abhijit Banerjee
Esther Duflo
Nathanael Goldberg
Dean Karlan
Robert Osei
William Pariente
Jeremy Shapiro
Bram Thuysbaert
Hannah Trachtman
Christopher Udry
Researchers evaluated a multi-faceted approach aimed at improving the long-term incomes of the ultra-poor. They found that the approach had long-lasting economic and self-employment impacts and that the long-run benefits, measured in terms of household expenditures, outweighed their up-front costs.
A woman looks at apartment listings on a laptop.

Quantifying Racial Discrimination in Major US Housing Markets

Peter Christensen
Researchers conducted a correspondence study assessing property managers’ responses to rental listing inquiries from prospective tenants with distinctively Black, Hispanic/Latinx, or white names in the United States. Property managers were significantly less likely to respond to messages from...
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...
Row of Victorian style houses in San Jose, California

Rapid Re-Housing to Reduce Homelessness in the United States

David Phillips
James Sullivan
Researchers are evaluating the impact of rapid re-housing on homelessness and health outcomes for single adult individuals.
caucasian man working on laptop

Improving Tax Compliance through Behavioral Messages in Latvia

Julian Jamison
Nina Mazar
Iman Sen
In partnership with the Latvian tax authority, researchers tested several types of emails to investigate the effect of behaviorally-informed messages on tax compliance. Messages that aimed to deter bad behavior by highlighting taxpayers’ moral obligations towards action increased on-time tax...
Tax forms stacked on top of each other.

Applying Behavioral Insights to Improve Tax Enforcement in Poland

Julian Jamison
Nina Mazar
Roberto Claudio Sormani
In partnership with the Polish Tax Office, researchers conducted a nation-wide randomized evaluation to test the impact of sending tax enforcement letters with behavioral messages on tax compliance among delinquent taxpayers. The results indicate that behavioral letters significantly improved tax...
People riding

The Impact of Reducing Tax Rates and Strengthening Enforcement on Revenue Collection in the DRC

Augustin Bergeron
Gabriel Tourek
Jonathan Weigel
In partnership with the Provincial Government of Kasaï-Central in the Democratic Republic of Congo, researchers conducted a randomized evaluation during the 2018 property tax collection campaign to test the impact of lower property tax rates and stronger tax enforcement on revenue collection...