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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

Combating Misinformation using Fact-Checking via WhatsApp in South Africa

Jeremy Bowles
Kevin Croke
Researchers conducted a randomized evaluation to assess how fact-checks regularly sent to participants through WhatsApp can affect their ability to discern false information, as well as their beliefs and attitudes related to topics subject to viral misinformation, particularly Covid-19. Overall, the...

Free versus Paid Distribution of Health Products in Uganda

In northern Uganda, researchers found that free distribution of three health products led to lower demand for the same products when they were later offered for sale, highlighting the importance of product characteristics in determining pricing policy.

Changing Beliefs, Changing Bribes in India

Researchers are conducting a randomized evaluation to study the effect of changing legal penalties, along with citizens’ beliefs about these penalties, on corruption and lawbreaking in India.

Providing a Collaborative Civic Education Program to Students in France, Greece, and Spain

Sandra McNally
Jenifer Ruiz-Valenzuela
Daniel Santín
Researchers evaluated the impact of a civic education program involving learning-by-doing and student-centered teaching approaches in middle schools across three European countries. The program increased students’ academic performance, respect for school rules, and friendship networks with people...

The Impact of Physician Training on Health Costs and Outcomes in the United States

Joseph Doyle
Steven Ewer
Todd Wagner
Researchers studied the impact of physician training on the cost and quality of care in a large hospital that randomly allocated patients to teams of physicians from residency programs affiliated with one of two different medical schools. Costs for patients treated by physicians affiliated with the...

Expanding Financial Access Via Credit Cards: Evidence from Mexico

Sara G. Castellanos
Diego J. Jiménez Hernández
Researchers leveraged data from a randomized evaluation conducted by a large bank in Mexico to test the impact of varying credit card contract terms on loan default, card cancellation rates, and bank revenue for first-time formal sector borrowers. Variations in the interest rate and minimum payment...