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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

Peer Effects and Financial Decisionmaking in Brazil

Researchers tested the independent impact of two channels, social learning (when someone purchases an asset after a peer expresses a desire to purchase the same asset) and social utility (when someone feels he can gain more from an asset because his peer owns it), on financial decisions in Brazil...

The Impact of Farmer Managed Natural Regeneration and Formalized Land Rights on Reforestation and Crop Yields in Niger

Jules Bayala
Ariel BenYishay
Ibrahim Ouattara
Jessica Wells
Leigh Anne Winowiecki
Researchers are evaluating the impact of Farmer Managed Natural Regeneration and formalized land rights on reforestation and crop yields.

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...

The Effect of Financial Incentives on Elementary School Test Scores in the United States

Researchers studied whether financial incentives offered to elementary school students could increase standardized test scores. Students who were eligible to win gift certificates had higher math scores and read more.

Scaling and Unpacking a Successful Summer Jobs Program

Recent studies have found that summer youth employment programs appear to generate large declines in the rates of violent crime—a significant finding for urban policymakers seeking to create safer, more vibrant cities.