Blog

News

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...

Improving Student Learning through Pay-for-Performance Teacher Contracts in Rwanda

Researchers conducted a randomized evaluation to test the impact of pay for performance contracts on teachers’ qualities, effort, and student learning in Rwanda. Pay for performance improved teacher effort, particularly their presence in classroom and their pedagogical effectiveness, and raised...

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...

Community-Based Forestry Management to Improve Natural Resource Management and Farming Productivity in Ethiopia

Erwin Bulte
Goytom Abraha Kahsay
Fekadu Tefera Meka
researchers are evaluating the impact of CBFM on farmers’ agricultural productivity, adoption of modern technology, rural livelihoods, and forest conservation.

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...

Phone-Based Tutoring to Support Learning during School Closures: Evidence from Five Countries

In the context of the COVID-19 pandemic, researchers conducted a randomized evaluation to test the impact of delivering educational content via mobile phones on student learning in five countries. Mobile-based instruction, especially through phone call tutorials, improved foundational learning...

The Effect of Information on Employee Evaluation in the United States

Researchers evaluated the effect of distributing “value-added” teacher evaluations to principals in New York City. Their findings suggest that principals found the reports useful and used them to inform their overall perceptions of teacher effectiveness.