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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 Impact of Offering Awards on Health Worker Learning in Zambia

Researchers in Zambia introduced different kinds of awards and information on performance rankings into a year-long training for community health workers to evaluate their impact on how much trainees learned. They found that awards focused on offering recognition and improving trainees’ status and...

Contesting Criminal Gang Governance in Medellin: The Impacts of Intensive Municipal Governance and Community Organization on Gang Control and Governing of Neighborhoods

Gustavo Duncan
Benjamin Lessing
In partnership with the City of Medellín, researchers randomly introduced a program that intensified government outreach to gang-controlled neighborhoods. The study found no evidence that the city’s intervention reduced gang rule.

Rapid Re-Housing to Reduce Homelessness in the United States

Researchers are evaluating the impact of rapid re-housing on homelessness and health outcomes for single adult individuals.

Peer Effects in Computer Assisted Learning: Evidence from a Randomized Experiment

In China, students in districts with average incomes that are below the national average achieve lower levels of learning compared students in wealthier districts. Researchers introduced a computer-assisted learning program (CAL) to classrooms in Shaanxi Province to evaluate its impact on math test...

Improving local tax collection through technology in Ghana

David Lagakos
In partnership with Melchia Investments, a private Ghanaian technology company, researchers are conducting a pilot randomized evaluation to identify the effectiveness of a new tax collection technology in increasing property tax revenues for local governments.