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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...

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...

Improving Tax Compliance through Behavioral Messages in Latvia

Nina Mazar
Iman Sen
In partnership with the Latvian tax authority, researchers tested several types of emails to investigate the effect of behaviorally-informed messages on tax compliance. Messages that aimed to deter bad behavior by highlighting taxpayers’ moral obligations towards action increased on-time tax...

The Impact of Mobile Money on the Purchase of Improved Sanitation Services in Senegal

Molly Lipscomb
The proliferation of mobile money across low- and middle-income countries has led to increased availability of mobile payment systems, which can potentially allow more flexible payment terms for customers. Subsidies increased the use of mechanized desludgings, while pre-paid deposit requirements had...

The Impact of a Quiz-Style Information Campaign on Covid-19 Prevention in Ghana

Researchers are measuring the impact of a quiz-style information strategy on people’s learning and adherence to Covid-19 health protocols. This study is part of a three-country research program in Ghana, the US, and Zambia aiming to find evidence on the best strategies to communicate health measures...

Digital Credit Literacy Campaign in Malawi

Valentina Brailovskaya
Researchers conducted a randomized evaluation to test the impact of a financial literacy interactive voice response campaign on loan outcomes. The intervention boosted knowledge and slightly improved loan repayment, but it also raised loan demand, increasing the overall risk of default.