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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.

Improving Preschool Quality in Colombia

Lina Cardona-Sosa
Sonya Krutikova
Marta Rubio-Codina
Researchers evaluated two approaches to improving the quality of Colombian preschools. Providing additional resources to preschools for materials and new staff did not benefit children’s development and, unintentionally, led teachers to reduce their involvement in classroom activities. However, the...

Encouraging Behavioral Change to Improve Road Safety in Kenya

In Kenya, researchers introduced a messaging campaign on matatus (local buses) to encourage individuals to speak up against reckless driving and reduce road accidents rates. Placing these stickers in the passenger area of matatus decreased insurance claims rates, average speed, and number of road...

Impacts of Flexible Loans on Borrower Behavior and Microenterprise Outcomes in Colombia

Lasse Brune
Xavier Giné
Researchers evaluated the impact of a flexible microloan product on new clients' repayment behavior, business outcomes, and client satisfaction. The results showed that the flexible loan led to some shifts in investment behavior but had no average impact on revenue or profits and led to higher...

The Value of Communication for Mental Health in Ghana

Re searchers used a randomized evaluation to measure the impact of providing mobile calling credits to low-income adults on well-being outcomes in Ghana. Overall, the mobile credit intervention increased the ability for individuals to meet unexpected communication needs, particularly when delivered...

The Medium-Term Educational Effects of Short-Term Literacy Tutoring in Chile

Verónica Cabezas
Jose Ignacio Cuesta
Researchers conducted a randomized evaluation to gauge whether a short-term reading tutoring program could improve a range of student educational outcomes in the short- and medium-term (up to eight years after the program). They found that the program increased language test scores in the short term...

Leveraging Business Networks to Boost Women’s Entrepreneurship

Researchers investigated the role of online networking groups (via WhatsApp) and free legal aid on improving business innovation, practices, sales, and profits among growth-oriented women-owned firms in Ghana. They found that online networking groups meaningfully encouraged business innovation...

The Impact of Unconditional Cash Transfers on Health Outcomes in Chelsea, Massachusetts

Sumit Agarwal
Benjamin Le Cook
The City of Chelsea implemented a cash transfer program called Chelsea Eats, which provided eligible households with up to US$400 per month for nine months. Researchers conducted a randomized evaluation on the impact of the unconditional cash transfer on health care utilization and a variety of...

Peer Effects, Diversity, and College Roommates in the United States

Johanne Boisjoly
Jacque Eccles
Researchers in the United States assessed the impact on college students of having a roommate from a different race. White students assigned to a black roommate were more likely to endorse affirmative action policies than those assigned to a white roommate. Other factors, such as having roommates...