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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.

Providing information on wood heating to decrease indoor air pollution in France

Coralie Chevallier
Elise Huillery
Mathieu Perona
Rita Abdel Sater
Researchers evaluated the impact of general and personalized information regarding the relationship between wood burning and indoor pollution on households’ knowledge of pollution and their pollution mitigation efforts. Both general and personalized information increased households’ awareness of...

The Impact of Quality Upgrading and Market Access on Farmers’ Productivity and Profits in Uganda

Selene Ghisolfi
Frances Nsonzi
In western Uganda, researchers conducted a series of randomized evaluations that assessed the impact of introducing a combination of post-harvest services, training on agricultural best practices, and access to a market for high-quality maize on farmers’ productivity and profits. Researchers found...

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

Researchers conducted a randomized evaluation to measure the impact of having a roommate who drank alcohol frequently before college on college students' grade point averages (GPAs). Results show that, while female students' GPAs were not affected by their roommate's drinking prior to college, male...

Rates of Return to Fertilizer: Evidence from Field Experiments in Kenya

Jonathan Robinson
Researchers in Kenya collaborated with the NGO International Child Support to measure the returns to different types of fertilizer among local farmers. While results show that all interventions led to increases in yield, rate-of-return calculations indicate that not all were profitable for the...

Leveraging Business Networks to Boost Women’s Entrepreneurship in Ghana

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 Information Provision on Farmer Decision Making in Indonesia

Joshua Schwartzstein
In Indonesia, researchers conducted a randomized evaluation with seaweed farmers to observe both the impact of participating in a program that determined optimal seaweed production methods and receiving summarized results of the program on the adoption of optimal farming inputs. They find that...

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

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...

Multigenerational Benefits to Secondary Schooling in Ghana

Elizabeth Spelke
Mark Walsh
A study conducted in Ghana over 15 years evaluated the benefits of secondary school scholarships on both education and health outcomes.