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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.

Testing the impact of antimalarial discounts on overtreatment in Mali

Carolina Lopez
Researchers varied patients’ information about a discount on treatment for simple malaria and measuring take-up of treatment to identify the factors driving overtreatment. While patient pressure on doctors in response to the discount led to excess prescription of antimalarials, there was no evidence...

The Impact of Poverty Reduction Among New Mothers on Child Brain Development in the United States

Molly A. Costanzo
Nathan Fox
Sarah Halpern-Meekin
Katherine Magnuson
Kimberly Noble
Sonya V. Troller-Renfree
Hirokazu Yoshikawa
Researchers evaluated the impact of poverty reduction via an unconditional cash transfer to mothers on child neurodevelopment. Children in families that received a $333 monthly transfer displayed different brain activity patterns than children whose mothers received only $20 a month.

Providing High-Quality Online Lesson Plans to Improve Student Learning in the United States

Researchers evaluated the impact of providing teachers with access to high-quality online lessons and implementation support on student achievement in mathematics. Providing teachers with access to the lessons, reminders, and implementation support significantly increased student achievement.

Matching Small Firms with Apprentice Workers in Ghana

Researchers evaluated the effects of a national apprenticeship training program on the firms that received apprentices. Firms that received apprentices increased their profits as well as employment.

The Impact of Teaching Teachers to Use Computer Assisted Learning on Student Math Performance in the United States

Researchers conducted two randomized evaluations to test the impact of coaching teachers on integrating CAL in their elementary and middle school mathematics instruction in two large, diverse school districts in the United States. The intervention led to improved math performance in one evaluation...

Digital Delivery of Humanitarian Aid to Improve Food Security of Women in Afghanistan

Michael Findley
Miguel Fajardo Steinhäuser
Researchers evaluated a program delivering digital aid payments on food security and mental well-being for vulnerable female-headed households in Afghanistan. Digital payments led to improved food security and mental well-being for beneficiaries. Digital delivery of aid was also cost-effective and...

Marketing Effects in a Consumer Credit Market in South Africa (Pricing the Effect of Psychological "Features")

Working closely with a highly profitable consumer lender in South Africa, researchers sought to determine the effects of advertising content, price, and offer deadlines on loan take up. They found the marketing had significant effects on loan take up, but not on loan amount or default rates. Clients...

Interest Rates, Loan Maturity and Demand for Microfinance Loans in South Africa

Researchers tested the assumption of price inelastic demand using a randomized evaluation in South Africa. The results suggest that the demand curves were downward sloping, and steeper for price increases relative to the lender’s standard rates. Researchers also found that loan size was far more...