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 185-192 of 1266
Young child is eating fruits and vegetables. He is reaching for a clementine from an adult.

The Impact of Poverty Reduction on Child Health, Nutrition, and Sleep in the United States

Greg Duncan
Nathan Fox
Lisa A. Gennetian
Sarah Halpern-Meekin
Emma Hart
Alicia Kunin-Batson
Katherine Magnuson
Kimberly Noble
Jessica Sperber
Hiro Yoshikawa
To understand the causal impact of poverty reduction on children’s health, nutrition, sleep, and healthcare utilization, among other outcomes, researchers randomly assigned new mothers to receive an unconditional cash transfer of $333 (high-cash group) or $20 per month (low-cash group) in the Baby’s...
sinks

Using Peer Pressure to Encourage Handwashing in Argentina

Researchers examined the impact of peer pressure on handwashing behavior by varying whether men using a restroom in Buenos Aires, Argentina were observed by another restroom user. They found that being observed increased urinal flushing by 26.7 percent and handwashing by 19 percent, suggesting that...
A woman hands out books to adult learners

Instruction and Financial Incentives to Improve Covid-19 Knowledge in Mozambique

James Riddell IV
James Allen IV
Arlete Mahumane
Tanya Rosenblat
Dean Yang
Hang Yu
In Mozambique, researchers conducted a randomized evaluation to test whether teaching about Covid-19 prevention and/or financial learning incentives enhanced participants’ knowledge related to Covid-19. They found that both interventions improved Covid-19 knowledge separately and, moreover...
Weligama-National Savings Bank

The Impact of a Formal Savings Intervention in Sri Lanka

Michael Callen
Craig McIntosh
Suresh de Mel
Christopher Woodruff
Researchers conducted a randomized evaluation to test the impact of a deposit collection service on the amount of savings and the source of those savings. In a follow-up evaluation, researchers introduced design tweaks to test the impact of reducing collection costs on individuals’ savings behavior...

Providing Health Insurance through Microfinance Networks in Rural Karnataka, India

Abhijit Banerjee
Esther Duflo
Richard Hornbeck
Researchers partnered with SKS Microfinance to measure the impact of bundling a health insurance product with microloan renewals on health insurance take-up, and health care use and spending. They found that the requirement to purchase health insurance substantially reduced microcredit clients’ loan...
Women farmers in Afghanistan

Afghanistan Targeting the Ultra-Poor Impact Evaluation

Guadalupe Bedoya
Aidan Coville
Johannes Haushofer
Mohammad Isaqzadeh
Jeremy Shapiro
In Afghanistan, researchers evaluated the impact of a Targeting the Ultra Poor program on poverty reduction. The cost-effective program generated large positive impacts for women participants across key outcomes: consumption, assets, psychological well-being, total time spent working, financial...
Woman reading a document

The Impact of Different Messaging Strategies on Tax Compliance in Belgium

Clement Imbert
Maarten Luts
Jan-Emmanuel De Neve
Teodora Tsankova
Researchers partnered with the tax authority in Belgium to understand what types of messages drive people to comply with their taxes. Results show that simplified messages, as well as messages that highlighted the consequences of non-compliance, induced people to file and pay their taxes sooner. On...
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Government Mobile Salary Payments for Teachers in Afghanistan

Joshua Blumenstock
Michael Callen
Tarek Ghani
In partnership with the Ministry of Education of Afghanistan, researchers are conducting a randomized evaluation to study whether mobile salary payments (MSPs) improve learning by increasing teacher attendance and morale.