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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.

Using Cell Phones to Monitor the Delivery of Government Payments to Farmers in India

Researchers conducted a randomized evaluation to test the impact of a cell phone-based monitoring system on the delivery of government-issued payments for farmers in Telangana, India. The system significantly improved the likelihood of farmers ever receiving their payments as well as receiving them...

Diffusing New Seeds through Social Networks in Indian Village Economies

The researcher conducted a randomization in rural Odisha in India, by comparing adoption of a new seed variety through farmer-to-farmer networks in one half as benchmarked by door-to-door sales of the same seed. Trading between farmers leads to substantial under-adoption of agricultural technology...

Improving tax compliance through enforcement campaigns in the Democratic Republic of Congo

In partnership with the Kasai Central Provincial Tax Ministry in the Democratic Republic of Congo, the researcher conducted a randomized evaluation to identify the direct and indirect effects of varying levels of enforcement on firms’ tax compliance and their likelihood to pay bribes.

Guidance and Information for Improved Education Decisions in Ghana

Researchers in Ghana conducted a randomized evaluation to test whether a program informing students and parents about the secondary school choice process and school quality helped students make more strategic decisions about which schools to attend, and whether these choices led to better...

The Role of Protest Experience and Social Networks in Protest Movements in Hong Kong

Davide Cantoni
Noam Yuchtman
Y. Jane Zhang
In Hong Kong, researchers conducted a randomized evaluation to test the impact of indirectly incentivizing protest participation on sustained participation in a political movement and to identify the role social networks play in protest turnout. Indirectly incentivizing participants to attend a...