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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.

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.

Effects of Replicating Charter Schools in Boston, Massachusetts

Researchers studied a policy reform in Boston, Massachusetts, that allowed effective charter schools to replicate their school models at new locations. Results showed that charter schools reproduced their effectiveness at new campuses by following similar sets of standardized protocols...

The Impacts of Mental Health Treatment on Productivity in India

Daniel Bennett
Researchers evaluated the impact of providing depression treatment and economic assistance on mental health and economic behavior in peri-urban communities near Bangalore, India. Treatment reduced depression severity, a benefit that persisted when paired with light-touch livelihoods assistance, but...

Welfare Impacts of Micro-Loans in Nigeria

In Nigeria, researchers worked with a financial service provider to evaluate the impact of digital loans on welfare. Being approved for the loans increased subjective well-being after three months, for applicants who normally would have been denied.

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...