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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.

Conditional Cash Transfers and HIV/AIDS Prevention in Malawi

Hans-Peter Kohler
Researchers evaluated whether offering individuals financial incentives to maintain their HIV-negative status could be an effective HIV prevention strategy in rural Malawi. The conditional cash transfer had no effect on HIV status or on self-reported sexual behavior. The receipt of the cash...

The Impact of Enhanced Business Training for High-Potential Entrepreneurs in Colombia

Small and medium enterprises are thought to be an important source of innovation and employment in developing countries, but entrepreneurs face a number of barriers to expanding their businesses. In Colombia, researchers are examining the impact of a combination of training, mentorship, and...

Changing Financial Incentives for Medicare Providers to Encourage Home Dialysis in the United States

Liran Einav
Yunan Ji
Researchers analyzed the impact of a new reimbursement model to incentivize end-stage kidney disease providers and facilities to provide home dialysis on home dialysis rates. During the first year of the study, there was no statistically significant difference in home dialysis rates between hospital...

The Effects of Kindergarten Classroom on Earnings in the United States

John Friedman
Nathaniel Hilger
Diane Whitmore Schanzenbach
Danny Yagan
Researchers measured the effect of class size, teacher quality, and classroom quality on earnings and other future outcomes for children participating in the Student/Teacher Achievement Ratio (STAR) project in Tennessee. The study found that smaller class sizes raised college attendance, more...

The Impact of Free Tuition Program Design on College Applications and Enrollment in the United States

Elizabeth Burland
Katherine Michelmore
Stephanie Owen
Shwetha Raghuraman
Researchers investigated how two different free tuition programs for low-income students affected application and enrollment to the University of Michigan. An unconditional offer substantially increased application and enrollment while a conditional offer had a much smaller effect on applications...

The Role of Social Connections in the Delivery of Extension Services and Technology Adoption in Uganda

Researchers conducted a randomized evaluation to test both the impact of BRAC’s extension program on economic outcomes and the role of social incentives in shaping the delivery of the program to farmers. While they found that overall, farmers in villages that received the program had higher...

Improving Measurement of Farmers Skills in Western Kenya

Researchers conducted a randomized evaluation in western Kenya to test how farmer participation in agronomic trials impacted their experimentation on their own farms with different input combinations and impacted their use of high-quality inputs, yields, adoption of new crops, and profitability...

The Impact of Farmer Managed Natural Regeneration and Formalized Land Rights on Reforestation and Crop Yields in Niger

Jules Bayala
Ariel BenYishay
Ibrahim Ouattara
Jessica Wells
Leigh Anne Winowiecki
Researchers are evaluating the impact of Farmer Managed Natural Regeneration and formalized land rights on reforestation and crop yields.