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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.

Are Agricultural Traders Colluding? Testing the Degree of Competition Among Maize Traders in Kenya

Michael Dinerstein
Researchers conducted three randomized evaluations to measure the degree of competition among wholesale maize traders, understand the implications for social welfare, and test whether new traders could make a market more competitive. Researchers found that traders did not pass through much of a...

Hiring Additional Instructors in Childcare Centers in India Improved Learning and Nutrition

Researchers conducted a randomized evaluation in the Indian state of Tamil Nadu on the impact of adding an additional education-focused worker in early childhood development centers on students’ learning and health outcomes. The program increased the time spent on pre-school education, boosting...

The Impact of Learning to Teach by Learning to Learn on Student Outcomes in Uganda

Researchers, in partnership with Kimanya Ngeyo Foundation for Science and Education in Uganda, evaluated the impact of a program that trained teachers to learn like scientists: posing questions, framing hypotheses, and using real-world experience wherever possible. Researchers found positive impacts...

Saving Incentives for Low and Middle Income Families: Evidence From a Field Experiment with HR Block

Researchers tested the influence of the (randomly chosen) rate at which clients were told contributions to their Individual Retirement Arrangements (IRAs) would be matched on the amount contributed to their retirement savings accounts. They found higher matching rates significantly increased IRA...

Impact of PR Reservations on Public Good Allocations

Following the implementation of a policy mandating lower-caste representation in some local village councils in India, researchers evaluated how lower-caste presidents invested in and distributed goods. They found that disadvantaged lower-caste groups received more public goods in councils with an...

Microfinance Repayment Schedules in West Bengal, India

John Papp
Jeannie Park
Researchers tested two features of these contracts, repayment frequency and the time of the first repayment, to determine if characteristics of the loan contract affect borrowers’ repayment behavior and the types of investments they make. They found that less frequent repayments did not increase...

Nurturing Curiosity to Enhance Learning in Turkey

Ipek Mumcu
In Turkey, researchers evaluated the impact of a new pedagogical approach aimed at cultivating primary school students’ curiosity, particularly in science, to improve learning outcomes. Students whose teachers adopted the approach displayed greater curiosity, ability to retain knowledge, and science...

Examining Underinvestment in Agriculture: Returns to Capital and Insurance Among Farmers in Ghana

Researchers in northern Ghana conducted a randomized evaluation to assess the underlying reason for underinvestment by examining the relative effectiveness of cash grants and insurance grants in improving crop yields. Results suggest that uninsured risk, rather than a lack of capital, was the...