Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 57-64 of 1214

The Impact of Bid Training on Small Firm Growth in Liberia

Vinayak Iyer
Golvine de Rochambeau
Ridhi Soni
Researchers evaluated the impact of a bid training program on the business performance of local small and medium-sized firms. The bid training led firms to bid on and win more contracts, with the positive impacts concentrated on a quarter of firms.

Celebrity Twitter endorsement for an immunization public health campaign in Indonesia

Vivi Alatas
Markus Mobius
Cindy Paladines
Researchers conducted a randomized evaluation on measuring the impact of celebrity Twitter endorsement for a child immunization campaign on the public’s opinion and behavior towards immunization. Celebrity endorsement increased Twitter engagement with the immunization campaign, primarily when...

Improving Children’s Mental Health through Remote Mentoring during Covid-19 Shutdowns in Bangladesh

Hashibul Hassan
Liang Choon Wang
Researchers in Bangladesh introduced a remote mentoring program to support mothers as they homeschooled their elementary school children during the pandemic. The program had positive impacts on children’s mental health soon after the intervention, but effects dissipated over time.

Incentivizing Physical Activity to Improve Mental Health During Covid-19 Disruptions in the United States

Osea Giuntella
Kelly Hyde
Silvia Saccardo
Researchers conducted a randomized intervention to measure the impact of financial incentives for reaching daily step goals on physical activity and depression risk during the Covid-19 pandemic, to better understand the association between physical activity and mental health. While program...

Cash Transfers’ Effects on Food Consumption in Mexico

Carlos Chiapa
Silvia Prina
Irvin Rojas
Researchers conducted a randomized evaluation to test the impact of the anti-poverty cash transfer program, PROSPERA, on food consumption for families living in poverty in Mexico. Households consumed enough food both before and after receiving the cash transfer.

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

Stephen 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...

The Effects of Middle School Scholarships on Child Marriage in Niger

Elise Huillery
Mathilde Sage
Government ministries introduced middle school scholarships to cover girls’ transportation, housing, and supplies; researchers evaluated how paying for out-of-pocket expenses affected schooling impacts and child marriage. The researchers found that the intervention reduced girls’ chance of leaving...