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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.

The Role of the VAT for Tax Enforcement

The Value Added Tax (VAT) system, which generates a paper trail on transactions between firms, facilitated tax enforcement by spreading the impact of enforcement measures up the production chain in a study with over 400,000 firms in Chile.

The Impact of Unconditional Cash Transfers on Health Outcomes in the United States

David E. Broockman
Patrick Krause
Elizabeth Rhodes
Researchers evaluated the impact of a US$1,000 monthly unconditional cash transfer to individuals with low incomes for three years on health outcomes including nutrition, sleep, health care access and use, and physical and mental health. Those who received the large cash transfer spent more on...

Reducing Imbalanced Fertilizer Use Through Rule-Of-Thumb Instructions in Bangladesh

Mahnaz Islam
Fertilizer use has been promoted to boost agricultural productivity and increase farmers’ yields and income. Researchers conducted a randomized evaluation among rice farmers in Bangladesh to evaluate the impact of providing leaf color charts and basic training on the quantity and timing of...

Human-AI Cooperation to Improve Tutoring in the United States

Dora Demszky
ana ribeiro
Rose E. Wang
In collaboration with FEV Tutor, researchers conducted a randomized evaluation to study whether Tutor CoPilot, an AI language model tool, could enhance tutoring quality and improve student learning outcomes in math. Researchers found that tutor access to Tutor CoPilot improved student 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.

Information Disclosure, Incentives, and Energy Costs in the United States

Richard Sweeney
Researchers worked with a large nationwide retailer in the United States to test whether sharing information, and providing subsidies and sales incentives had an effect on the demand for energy efficient water heaters. Results showed that information alone did not increase demand, and a $100 rebate...