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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

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...

The Impact of Information Campaigns on Voter Polarization in Turkey

The researcher evaluated an opposition party’s door-to-door information campaign regarding increases in executive power or executive performance to determine the impact of widespread, non-state-authorized information on voter partisanship. In neighborhoods with majority opposition supporters...

Decreasing Mobile Money Vendor Misconduct through Information Sharing in Ghana

In Ghana, researchers evaluated the impact of providing vendors and consumers with information on official mobile money charges and options for recourse for consumers to report being overcharged. The program led to a decrease in misconduct, which in turn facilitated an increase in market activity...

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.

Impacts and Challenges of a Teacher Training Program in Nepal

Julie Schaffner
Uttam Sharma
Training teachers to improve teacher quality and student learning is a common strategy taken by policymakers. In Nepal, researchers conducted a randomized evaluation of a government teacher training program for math and science teachers to evaluate the impact on student learning in secondary schools...

The Impact of a Peer Information Sharing Strategy to Combat the Spread of Covid-19 in Zambia

Researchers are measuring the impact of a peer information sharing strategy on people’s learning and adherence to Covid-19 health protocols. This study is part of a three-country research program in Zambia, Ghana, and the US aiming to find evidence on the most effective strategies to communicate...