Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 105-112 of 255

Consumer Price Subsidies and Nutrition in China

Nolan Miller
A number of low-income countries subsidize the price of staple foods such as rice in an effort to improve nutrition, and these programs generally enjoy great public support. However, subsidizing staple foods may cause households to shift to their spending to better-tasting foods that are actually...

Changing Financial Incentives for Medicare Providers to Encourage Home Dialysis in the United States

Liran Einav
Yunan Ji
Researchers analyzed the impact of a new reimbursement model to incentivize end-stage kidney disease providers and facilities to provide home dialysis on home dialysis rates. During the first year of the study, there was no statistically significant difference in home dialysis rates between hospital...

Providing Financial Incentives and Behavioral Nudges to Encourage Covid-19 Vaccine Uptake in the United States

Tom Chang
Rajiv Pramanik
Samir Shah
Researchers evaluated the impact of financial incentives, public health video messages, and access to a vaccine scheduling link on Covid-19 vaccination intentions and vaccine take-up in the United States. None of the interventions led to increases in vaccine take-up after thirty days. In a...

Positive Psychology for Psychological Well-Being and Decision-Making in Kenya

In Kenya, researchers conducted a randomized evaluation to test the impact of a light-touch positive psychology intervention on psychological well-being and economic decision-making for low-income populations. The intervention had a positive impact on gratitude; however, it had no significant...

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Stephen Luby
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

Biometric Tracking and Tuberculosis Treatment in India

Thomas Bossuroy
Clara Delavallade
In India, researchers evaluated the impact of biometric tracking devices in tuberculosis (TB) care centers on patient adherence to treatment, provider performance, and data quality. Biometric devices increased patient adherence to TB treatment and provider performance.

Community Engagement’s Impact on Healthcare Utilization and Health Insurance Enrollment in Ghana

Stephen Kwasi Opoku Duku
Christine Fenenga
Wendy Janssens
Edward Nketiah-Amponsah
Researchers in Ghana evaluated the impact of community-led assessments on health insurance enrollment as well as healthcare and health insurance quality. The community engagement intervention improved the medical quality of healthcare, reduced community members’ chances of getting sick, and...

Evaluating the Karnataka Integrated Medical Information and Disease Surveillance System (IMIDSS) in Primary Health Centers in India

Researchers tested whether a monitoring system that recorded employees’ fingerprints at the beginning and end of each day could improve staff attendance and patient health in primary health centers in Karnataka. The monitoring system increased attendance among medical staff, but not doctors, and...