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 57-64 of 1287
Girls receiving SMS messages about precautionary health measures.

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...
Informal Settlement in Kenya

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

Victoria Baranov
Johannes Haushofer
Chaning Jang
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...
Steps to purifying water with chlorine

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Raymond Guiteras
Kaniz Jannat
David Levine
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...
A woman holds a bowl of rice

The Impacts of In-kind Food Transfers versus Electronic Vouchers on Poverty Reduction in Indonesia

Abhijit Banerjee
Rema Hanna
Ben Olken
SUDARNO SUDARNO
Sudarno Sumarto
In partnership with the Government of Indonesia, researchers conducted a randomized evaluation to compare the efficacy of vouchers versus in-kind transfers in reducing poverty and improving program delivery. The reform led to an increase in assistance received by eligible households, due to improved...
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...
Two woman selling fruits on a sidewalk in Cartagena, Colombia

Impacts of Flexible Loans on Borrower Behavior and Microenterprise Outcomes in Colombia

Lasse Brune
Xavier Giné
Dean Karlan
Researchers evaluated the impact of a flexible microloan product on new clients' repayment behavior, business outcomes, and client satisfaction. The results showed that the flexible loan led to some shifts in investment behavior but had no average impact on revenue or profits and led to higher...
Girls and teacher standing up at a classroom in Mozambique

Gender Violence and School Achievement in Mozambique

In Mozambique, researchers are evaluating the GBV and schooling impacts of implementing a GBV curriculum targeted at students.
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The Impact of a Graduation Program on Livelihoods in Refugee and Host Communities in Uganda

Lasse Brune
Nathanael Goldberg
Dean Karlan
Doug Parkerson
Christopher Udry
In Uganda, researchers working with USAID are conducting a randomized evaluation to better understand the effectiveness of several variants of a graduation program focused on improving nutrition and self-reliance among populations in and around a refugee settlement.