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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.

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

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.

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.

Cash-for-Work Program to Improve Social Cohesion between Syrian Refugees and Host Communities in Jordan

Researchers use a large-scale RCT to evaluate a program aimed to improve cohesion between Syrian refugees and their host communities in Jordan.

Encouraging Behavioral Change to Improve Road Safety in Kenya

In Kenya, researchers introduced a messaging campaign on matatus (local buses) to encourage individuals to speak up against reckless driving and reduce road accidents rates. Placing these stickers in the passenger area of matatus decreased insurance claims rates, average speed, and number of road...