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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.

The Impact of Charter Schools on Student Learning Outcomes in the United States

Joshua Angrist
Parag Pathak
Researchers examined the impact of time spent at a charter school on students’ learning outcomes in Lynn, Massachusetts. Results suggest that enrollment at a charter school significantly improved students’ test scores in both math and English language arts.

How Does Winning the Lottery Affect Labor Supply? Evidence from Sweden

David Cesarini
Erik Lindqvist
Robert Östling
Researchers used data on lottery winners in Sweden to determine whether receiving an influx of cash affected the labor supply decisions of winners and their spouses. They found that lottery winners reduced their labor supply, suggesting that cash transfers can have an effect on labor market outcomes...

The Impact of Disclosing Soft Skills Certificates at Recruitment on Labor Market Outcomes in Uganda

Aisha Nansamba
In Uganda, researchers conducted a randomized evaluation to test the impact of providing a soft skills certificate to both employers and job seekers during job interviews on matching in the labor market. The certificates caused workers to increase their expectations of finding the right job, while...

Structured Study Time, Self-Efficacy, and Tutoring

In this study, researchers evaluated scalable methods to improve student retention and performance in an online course, with the goal of improving meaningful access to this resource.

The Economic, Health, and Psychological Effects of Health Insurance and Unconditional Cash Transfers in Kenya

Justin Abraham
Chaning Jang
Researchers evaluated the effects of a free health insurance policy and UCTs of the same value on the economic, health, and psychological outcomes of informal workers in Kenya. Participants who received health insurance self-reported reduced stress and had lower cortisol levels; UCTs led to fewer...

Laser-Branding Technologies to Increase the Quality of Watermelons in Chinese Markets

Researchers conducted a randomized evaluation to test the impact of different types of labels to signal product quality on sellers’ ability to develop a reputation for consistently selling high-quality watermelons in China. The more expensive laser-cut label influenced sellers to provide higher...

Direct and Indirect Effects of Malawi’s Public Works Program on Food Security

Kathleen Beegle
Emanuela Galasso
Researchers worked with the Malawi Social Action Fund to conduct a randomized evaluation of the program’s effect on food security. They found no evidence that the program improved food security, and there were some indications that the program decreased the food security of non-beneficiaries living...

Increasing the Demand for Workers with a Criminal Record in the United States

Workers with criminal records face substantially lower chances of securing employment compared to similar workers without such records. Researchers evaluated the effectiveness of different approaches, including wage subsidies, crime and safety insurance, past performance reviews, criminal record...