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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.

Are Agricultural Traders Colluding? Testing the Degree of Competition Among Maize Traders in Kenya

Michael Dinerstein
Researchers conducted three randomized evaluations to measure the degree of competition among wholesale maize traders, understand the implications for social welfare, and test whether new traders could make a market more competitive. Researchers found that traders did not pass through much of a...

Voluntary Regulation: Evidence from a Randomized Medicare Payment Reform

In the United States, researchers evaluated the impact of the mandatory-participation bundled payment model for hospitals and explored which hospitals were incentivized to opt in to bundled payments after the model was later made voluntary. The mandatory-participation bundled payment program...

Valuing Trust in Shantytowns in Peru

Markus Mobius
Tanya Rosenblat
In collaboration with PRISMA, a Peruvian NGO offering credit through village banks, researchers designed and implemented a new loan product, which required new clients to be sponsored by existing clients, to measure the relative importance of social networks and prices for borrowing in shantytowns...

The Role of Exposure, Social Networks and Marketing Messages in Households' Willingness to Pay for Malaria Prevention in Kenya

This study evaluated the impact of subsidies and two different marketing messages on the take-up of insecticide-treated bed nets by rural households. Take-up did not vary with the framing of marketing messages but was highly sensitive to changes in price. Gaining access to a highly subsidized bed...

Counseling Welfare Recipients in Hauts de Seine, France

Thierry Kamionka
Laurent Lequien
Researchers sought to test whether intensive job counseling with a private provider is an effective means of increasing employment rates, even for a population with such a low attachment to the labor market. Results suggested that job-counseling increased employment rates among counseled individuals...

Gender Violence and School Achievement in Mozambique

Sofia Amaral
Aixa Garcia-Ramos
Sarita Ore-Quispe
In Mozambique, researchers are evaluating the GBV and schooling impacts of implementing a GBV curriculum targeted at students.

The Impact of Providing Land Tax Subsidies, Local Monitoring, and Minikits on Irrigation Use in Rwanda

Maria Jones
Florence Kondylis
John Loeser
Building off of previous quasi-experimental research, researchers conducted three randomized evaluations to test the impact of providing farmers with land tax subsidies, different ways of monitoring water access and the canal’s operations and maintenance, or farming minikits on farmers' use of...