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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

Handwashing and Behavior Change in Bangladesh

Dayea Oh
Researchers conducted a randomized evaluation to test the impact of an edutainment intervention at schools and the provision of handwashing resources at home on handwashing at school and at home. These findings suggest that encouraging behavior change in one setting may crowd out like behavior in...

Costs of Failure to Appear for Arraignment

Natalia Emanuel
Helen Ho
Researchers will conduct a randomized evaluation to test the impact of different types of notifications on rates of failure to appear in traffic and criminal misdemeanor courts.

Improving the Targeting of Preventive Health Subsidies through Vouchers in Western Kenya

Vivian Hoffman
Alix Peterson Zwane
In Western Kenya, researchers compared three different approaches to subsidizing dilute chlorine solution to treat drinking water: a partial subsidy, a twelve month supply of free chlorine through monthly vouchers, and a twelve month supply of free chlorine hand-delivered. Safe water rates were much...

Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change: Evidence from Sonargaon, Bangladesh

Kazi Matin Ahmed
Alexander van Geen
Ricardo Maertens
In Bangladesh, researchers evaluated the impact of different selling schemes on demand for water testing, and the impact of test results on switching to a safer well. Although group test sales and well safety placards increased substantially the likelihood that households switched to a possibly...

Supplementing Savings Groups with External Funds to Expand Access to Lending in Uganda

Researchers conducted a randomized evaluation to test whether supplementing SGs with additional funds impacts SG members' financial access and behavior. Capital infusions to Sgs increased members' access to loans and members received more money at the end of year payout, without increasing defaults...

Biased Beliefs and the Dynamic Role of Information in College Choice in Chile

Researchers are conducting a randomized evaluation in Chile to study the impact of altering high school students’ beliefs about the returns of college degrees on their decisions to invest in college preparation and which program they choose.

The Impact of Bid Training on Small Firm Growth in Liberia

Fei Ao
Vinayak Iyer
Golvine de Rochambeau
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.

Accelerating Changes in Norms about Social Distancing to Combat COVID-19

James Riddell IV
Tanya Rosenblat
Researchers are conducting a randomized evaluations to test the impact of different types of public health messaging on the practice of social distancing.