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Browse news articles about J-PAL and our affiliated professors, and read our press releases and monthly global and research newsletters. For media inquiries, please email us.

Race and Jobs

Taxes Make Smokers Happy

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

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...