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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...

Primary School Deworming in Kenya

Researchers evaluated a mass school-based deworming program in Western Kenya, and found that deworming substantially improved health and school participation of treated children, as well as of untreated children in both treatment schools and neighboring schools. The program reduced school...

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.

Advertising Higher Earnings during Recruitment Processes for Community Service Providers in Uganda

Researchers conducted a randomized evaluation to test the impact of expected earnings on candidates’ perception of a community health worker position in Uganda, and on the resulting size and composition of the applicant pool. Fewer socially motivated participants applied when advertised wages were...

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...

Online Job Portals and Firm Hiring in India

Firms in low- and middle-income countries tend to hire mainly from referral networks, which may limit hiring. Online job portals can expand recruitment networks, but firms may be hesitant to hire unfamiliar candidates outside of their network. Researchers partnered with an online job portal in India...