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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.

Laser-Branding Technologies to Increase the Quality of Watermelons in Chinese Markets

Researchers conducted a randomized evaluation to test the impact of different types of labels to signal product quality on sellers’ ability to develop a reputation for consistently selling high-quality watermelons in China. The more expensive laser-cut label influenced sellers to provide higher...

Impact of Watchdog Journalism on Public Service Provision in Tanzania

Dylan Groves
Researchers examined the impact of local watchdog journalism investigations on public service provision. Local journalism improved government performance and service delivery, likely by helping central governments monitor bureaucrats at the district-level.

Measuring the Impact of Clientelism on Voter Behavior in Benin

Christel Vermeersch
Voters in Benin had a preference for clientelist political platforms, but certain subsets of voters such as women, consumers of mass media, and members of social organizations were less receptive to clientelism.

Mobilizing Black Voters Using Direct Mail and Commercial Phone Banks in the United States

Researchers evaluated the impact of direct mail and phone calls on the turnout of Black voters in ten different states. Neither mailings nor phone calls significantly impacted voter turnout, perhaps due to the large volume of political messaging that voters had to navigate.

Demand for Sanitation in Kenyan Urban Slums

Sebastian Galiani
In slums near Nairobi, Kenya, researchers are testing how subsidizing the cost of connecting to the sewer system and providing information about the health benefits of improved sanitation affects the number of landlords who connect to the sewer system.

Afghanistan Targeting the Ultra-Poor Impact Evaluation

Guadalupe Bedoya
Aidan Coville
Mohammad Isaqzadeh
Jeremy Shapiro
In Afghanistan, researchers evaluated the impact of a Targeting the Ultra Poor program on poverty reduction. The cost-effective program generated large positive impacts for women participants across key outcomes: consumption, assets, psychological well-being, total time spent working, financial...