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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...

The Indirect Effects of a Campaign Against Electoral Violence in Nigeria

Researchers conducted a randomized evaluation in Nigeria to determine whether a campaign against electoral violence could spread through social networks to affect the perceptions and behaviors not only of the individuals targeted by the campaign but also others to whom they have social ties. The...

The Importance of Management Support for Teacher-Led Targeted Instruction in Ghana

Anne Fitzpatrick
Researchers partnered with Ghana Education Services (GES), The National Teaching Council (NTC), The National Council for Curriculum and Assessment (NaCCA), The National Inspectorate Board (NIB), and UNICEF to evaluate whether additional managerial support from head teachers and circuit supervisors...

Addressing Menstrual Stigma and Hygiene to Improve Education and Psychosocial Well-Being among Adolescent Girls in Madagascar

Julieta Vera
Researchers evaluated the impact of a program addressing constraints related to hygiene infrastructure and access to sanitary products while addressing social stigma around menstruation, on girls’ learning and psychosocial well-being in Madagascar. The program led to improvements in academic...

Testing the impact of antimalarial discounts on overtreatment in Mali

Carolina Lopez
Researchers varied patients’ information about a discount on treatment for simple malaria and measuring take-up of treatment to identify the factors driving overtreatment. While patient pressure on doctors in response to the discount led to excess prescription of antimalarials, there was no evidence...