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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.

Impact of Peer Motivation on Worker Productivity in Malawi

Lasse Brune
Researchers at the Lujeri Tea Estates in Malawi evaluated the impact of exposure to more, less, or equally productive peers on tea harvester productivity. They found that increasing the productivity of a worker’s peers meaningfully increased worker productivity, measured in kilograms of tea picked...

Connecting Smallholder Farmers to Agricultural Value Chains in Rwanda

Ammar Kawash
Jonathan Robinson
Alan Spearot
Guanghong Xu
Researchers are evaluating the effects of providing farmers with access to maize processing services that could improve maize quality on their input decisions.

Instruction and Financial Incentives to Improve Covid-19 Knowledge in Mozambique

James Allen
James Riddell IV
James Allen IV
Arlete Mahumane
Tanya Rosenblat
Hang Yu
In Mozambique, researchers conducted a randomized evaluation to test whether teaching about Covid-19 prevention and/or financial learning incentives enhanced participants’ knowledge related to Covid-19. They found that both interventions improved Covid-19 knowledge separately and, moreover...

The Impact of Quality Upgrading and Market Access on Farmers’ Productivity and Profits in Uganda

Selene Ghisolfi
Frances Nsonzi
In western Uganda, researchers conducted a series of randomized evaluations that assessed the impact of introducing a combination of post-harvest services, training on agricultural best practices, and access to a market for high-quality maize on farmers’ productivity and profits. Researchers found...

Primary School Deworming in Kenya

Researchers evaluated a mass school-based deworming program in Western Kenya, and found that deworming substantially improved health and school participation of treated children, as well as of untreated children in both treatment schools and neighboring schools. The program reduced school...

Free Distribution or Cost Sharing? Evidence from a Malaria Prevention Experiment in Kenya

Researchers investigated the impact of the price of insecticide-treated bed nets (ITNs) on usage and demand in Kenya. Researchers found that cost-sharing considerably dampened demand, and those who were left out under a cost-sharing scheme had very high usage rates when they could access the product...

Leveraging Business Networks to Boost Women’s Entrepreneurship in Ghana

Researchers investigated the role of online networking groups (via WhatsApp) and free legal aid on improving business innovation, practices, sales, and profits among growth-oriented women-owned firms in Ghana. They found that online networking groups meaningfully encouraged business innovation...

The Impact of Community-Based Testing and Free Condom Distribution on HIV Prevention Among Youth in Kenya

Moses Baraza
Thomas Ginn
Grace Makana
Vandana Sharma
In Western Kenya, researchers evaluated the impact of two preventive approaches—community-based testing and free condom provision—on behavioral and biological outcomes. Neither community-based testing, free condoms, nor these interventions offered together reduced the prevalence of sexually...