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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...

Increasing Women’s Local Political Participation Through Top-Down and Bottom-Up Training in Indonesia

A researcher evaluated the impact of empowerment training for female citizens and training for male council chairs on women's participation in neighborhood associations, known as rukun tetangga (RT) in Malang, East Java, Indonesia.

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...

Voluntary Regulation: Evidence from a Randomized Medicare Payment Reform

Liran Einav
Yunan Ji
In the United States, researchers evaluated the impact of the mandatory-participation bundled payment model for hospitals and explored which hospitals were incentivized to opt in to bundled payments after the model was later made voluntary. The mandatory-participation bundled payment program...

Subsidized Land Titles, Social Institutions, and Land Formalization in the Democratic Republic of Congo

In Kananga, Democratic Republic of Congo (DRC), researchers conducted a randomized evaluation to test the impact of a subsidized land titling program on both starting and completing land registration, as well as on citizens’ participation in social institutions. Being offered a land titling subsidy...

Peer Effects, Pupil-Teacher Ratios, and Teacher Incentives in Kenya

Researchers evaluated three interventions that addressed the large class sizes and heterogeneity in student preparation in the Kenyan school system. They found that hiring additional local contract teachers helped reduce classroom overcrowding and improved student learning outcomes. The biggest...

Encouraging Underserved, Intellectually-Curious Children: An Evaluation of the Higher Achievement Program in Washington, DC

Jean Grossman
Carla Herrera
Researchers evaluated the academic impact of a “Cadillac” OST program in Washington, DC. Researchers found that the program increased students’ problem-solving and reading comprehension scores after two years.

Business Training for Women in Ahmedabad, India

Researchers offered two days of business training and assistance in identifying a medium-term financial goal to a random sample of women of different castes and religions in India. A random sub-sample of women were invited to attend the training with a friend. Women trained with a friend doubled...