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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.

Decreasing Mobile Money Vendor Misconduct through Information Sharing in Ghana

In Ghana, researchers evaluated the impact of providing vendors and consumers with information on official mobile money charges and options for recourse for consumers to report being overcharged. The program led to a decrease in misconduct, which in turn facilitated an increase in market activity...

Financial Training for Mineworkers in South Africa

Jeremy Shapiro
Financial access in South Africa has expanded rapidly in recent years and policymakers have identified financial education as a means to improve financial literacy and inclusion. To test this, researchers evaluated the impact of a financial literacy workshop on miners’ financial understanding...

Using Media to Change Norms and Behaviors in Post-Genocide Rwanda

Researchers conducted a randomized evaluation in Rwanda to examine how important aspects of cultural practice do or do not change in the wake of exposure to media messages delivered through a radio soap opera drama. While the radio program had little effect on changing individual beliefs and...

The Effect of Prepaid Postage on Voter Turnout in the United States

Andrew Healy
Neil Malhotra
Melissa Michelson
Allison Carnegie Sovey
Ali Adam Valenzuela
Researchers randomly provided postage-paid envelopes to a subset of permanent absentee voters in San Mateo County, California in order to evaluate its impact on voter turnout. The provision of prepaid postage resulted in no net change in voter turnout because it simultaneously decreased the number...

Powering Small Retailers: The Adoption of Solar Energy under Different Pricing Schemes in Kenya

Kenya, East Africa's largest economy, is struggling with an ageing energy infrastructure and low connectivity to the power grid. William Jack and affiliate Tavneet Suri (MIT) study the impact of off-grid solar power on small retailers in Nairobi.

The Impacts of Computer-Based Individualized Instruction on Math Learning in India

Andreas de Barros
Alejandro Ganimian
In partnership with an education assessment firm, researchers conducted a randomized evaluation to isolate the impact of computer-based individualized instruction in India. After nine months, lower-performing students in grades six to eight learned 22 percent of a standard deviation more in math if...

Certification, Teacher Effectiveness, and Student Learning in the United States

Steven Cantrell
Jon Fullerton
Certified teachers were no more likely than non-applicants to be effective at improving students’ test scores, but were more effective than unsuccessful applicants. Researchers found that estimates of teacher effectiveness based on test scores from previous years were a strong predictor of student...