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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

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 Student Learning through Pay-for-Performance Teacher Contracts in Rwanda

Researchers conducted a randomized evaluation to test the impact of pay for performance contracts on teachers’ qualities, effort, and student learning in Rwanda. Pay for performance improved teacher effort, particularly their presence in classroom and their pedagogical effectiveness, and raised...

Community-Based Forestry Management to Improve Natural Resource Management and Farming Productivity in Ethiopia

Erwin Bulte
Goytom Abraha Kahsay
Fekadu Tefera Meka
researchers are evaluating the impact of CBFM on farmers’ agricultural productivity, adoption of modern technology, rural livelihoods, and forest conservation.

The Effect of a Contract Teacher Program Scale-up on Student Learning in Kenya

Mwangi Kimenyi
Germano Mwabu
Alice Ng’ang’a
Justin Sandefur
In Kenya, researchers conducted a randomized evaluation to test the impact of a contract teacher program on student learning outcomes, comparing implementation between an NGO and the government. The NGO-led program improved student test scores, while the government-led version had no impact.

The Impact of Diagnostic Feedback for Teachers on Student Learning in India

Venkatesh Sundararaman
Researchers evaluated whether providing low-stakes diagnostic tests and feedback to teachers led to improved student learning outcomes in India. They found that teachers in intervention schools exerted more effort when observed in the classroom but students in these schools performed no better on...

Farmers and the fear of crime: Improving agricultural productivity through farm protection in Kenya

Julian Dyer
In Kenya, researchers matched farmers with subsidized, trained watchmen to evaluate the effect of improved farm security on farmers’ decision-making, agricultural productivity, and conflict with neighbors. Security was shown to increase and in response, farmers made different cropping, time use, and...