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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.

Impact of Peer Motivation on Worker Productivity in Malawi

Lasse Brune
Researchers at the Lujeri Tea Estates in Malawi evaluated the impact of exposure to more, less, or equally productive peers on tea harvester productivity. They found that increasing the productivity of a worker’s peers meaningfully increased worker productivity, measured in kilograms of tea picked...

Connecting Smallholder Farmers to Agricultural Value Chains in Rwanda

Alan Spearot
Guanghong Xu
Researchers are evaluating the effects of providing farmers with access to maize processing services that could improve maize quality on their input decisions.

Peer Effects, Diversity, and College Roommates in the United States

Johanne Boisjoly
Jacque Eccles
Researchers in the United States assessed the impact on college students of having a roommate from a different race. White students assigned to a black roommate were more likely to endorse affirmative action policies than those assigned to a white roommate. Other factors, such as having roommates...

Increasing Take-Up of the Earned Income Tax Credit

Across six randomized evaluations, researchers studied the impact of low-cost, low-touch informational interventions, or “nudges,” on take-up of the federal and state Earned Income Tax Credit (EITC) in California. None of the interventions had an impact on EITC take-up, suggesting that information...

Reducing Anemia Through Iron Fortification of Grain in Udaipur, India

Researchers in Udaipur, India, evaluated the impact of a village-level iron fortification program on the physical health of local families in 134 villages. Despite high take-up rates at the beginning of the study, overall take-up rates fell by the end of the evaluation. Results showed a significant...

Importance of Ethnic Networks in Business Transactions in India

Rajkamal Iyer
Researchers evaluated whether the ethnicities of wholesale buyers and sellers in Chennai, India, affected the transaction terms. They found that traders offered lower prices to buyers of the same ethnicity, but not necessarily because they trusted them more.