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Parcourez les articles de presse, médias en ligne, blogs, podcasts et vidéos sur notre travail et la recherche de nos affiliés, ainsi que nos communiqués et lettres d'information, par année. Nous invitons les médias à nous contacter par courriel

The Use of Self-Help Groups as a Savings Commitment Device in Chile

Felipe Kast
Stephan Meier
Researchers in Chile compared the effects of self-help peer groups and text-message feedback on entrepreneurs’ ability to make regular deposits into a savings account. Receiving feedback by text message increased savings by almost as much as being a member of a self-help group, suggesting that the...

Do Robotic Calls from Credible Sources Influence Voter Turnout or Vote Choice?

James G. Gimpel
Daron R. Shaw
To test the impact of an automated phone call from a credible source on voters’ preferences and behavior, researchers delivered the message to random voters in two concurrent randomized evaluations. The call did not increase voter turnout or change voter preferences, suggesting that automated phone...

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.

Socio-Emotional Learning for At-Risk Students in Urban Schools in Lima

Ines Kudo
Researchers evaluated the impact of teaching socio-emotional skills to schoolchildren on their emotional well-being, learning, life satisfaction, and long-run labor outcomes.

Building Market Linkages for Smallholder Farmers through a Digital Marketplace in Uganda

Researchers conducted a randomized evaluation in Uganda to test the impact of a mobile phone-based marketplace for agricultural commodities on local market prices, entry of traders, farmer revenue, and trader profits. Overall, the platform increased trade flows and decreased price variation across...

Text Messages as Reminders for Antiretroviral Medication Adherence in Kenya

Researchers introduced text message reminders to evaluate their effect on Kenyan patients taking their antiretrovirals consistently and not skipping doses. Patients who received weekly text messages were more likely to take their medicine 90 percent of the time and were less likely to skip doses for...

Designing Contracts for Healthcare Providers in India

Katherine Donato
Manoj Mohanan
Yulya Truskinovsky
Researchers evaluated two types of reward contracts—one that rewarded providers for increased use of inputs and one that rewarded providers for improved health outputs—among rural obstetric care providers in India. They found that both contracts reduced post-partum hemorrhage by 20-23 percent.

Student Incentive Structures in Malawi

Hyuncheol Kim
Hyuk Harry Son
Researchers conducted a randomized evaluation to test the impact of two different performance-based incentives on students’ test scores, motivation, and behavior in Malawi. They find that tournament-style incentives that rewarded the top performers among a large group lowered test scores and student...