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 25-32 of 251

Providing information on wood heating to decrease indoor air pollution in France

Coralie Chevallier
Elise Huillery
Mathieu Perona
Rita Abdel Sater
Researchers evaluated the impact of general and personalized information regarding the relationship between wood burning and indoor pollution on households’ knowledge of pollution and their pollution mitigation efforts. Both general and personalized information increased households’ awareness of...

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...

The Impact of Peer Messaging to Combat the Spread of Covid-19 in Zambia

Researchers conducted a randomized evaluation in Zambia to test the impact of a peer-based information campaign, consisting of SMS messages and small cash incentives, on people’s adherence to Covid-19 health protocols. Participants forwarded public health SMSs when they were encouraged to do so, yet...

The Impact of Assignment to Different Managed Care Organizations on Medicaid Spending and Health Care Use in the United States

Researchers are conducting a randomized evaluation to test the relative impact of assignment to different MCOs on health care utilization and expenditure.

The Effects of a Nationwide Medicare Bundled Payment Reform Program in the United States

Researchers examined the impact of bundled payments on Medicare spending, utilization, and quality of care for knee and hip replacements, two common and expensive medical procedures. Evidence from the first year of implementation of a five-year mandatory bundled payment model showed a reduction in...

Improving Immunization Coverage Through Incentives, Reminders, and Social Networks in India

Victor Chernozhukov
Suresh Dalpath
Mert Demirer
Iván Fernández-Val
Matthew Jackson
Francine Loza
Anna Schrimpf
Maheshwor Shrestha
Researchers worked with the state government to evaluate the impact of three programs to build demand for vaccination: local immunization ambassadors, small, non-financial incentives, and tailored SMS reminders. The most effective policy option increased measles vaccination by approximately 55...

The Impact of a Gender-Transformative Participatory Intervention on Intimate Partner Violence and HIV Risk Behaviors in Ethiopia

Vandana Sharma
Fabio Verani
Researchers evaluated the effect of a gender-transformative skills-building program on IPV incidence, HIV risk behaviors, and other health outcomes in rural Ethiopia. Overall, the program led to reductions in IPV when delivered to groups of men, but not when delivered to couples or to women only...

Creating a Toilet Habit in Kenya

Berhe Beyene
Johann Caro Burnett
Judy Chevalier