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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.

Building Trust in Fertilizer Quality Among Farmers in Tanzania

Researchers conducted an evaluation to test the impact of an information campaign about fertilizer quality on farmers’ beliefs and their purchase and use of fertilizer. The information campaign led farmers to change their beliefs about the quality of fertilizer available in local markets and to buy...

Training Teachers in Curiosity-Based Science Pedagogy in India

Ariel Gomez
Vinay Jha
Sandeep Kumar
Despite making great strides in expanding access to education, developing countries like India continue to lag in measures of actual student learning. To understand how quality of education mediates learning, this randomized control trial evaluates a pedagogical intervention training science...

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...

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...

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...

Graduating the Ultra-Poor in Pakistan

In six countries researchers evaluated a multi-faceted approach aimed at improving the long-term income of the ultra-poor. They found that the approach had long-lasting economic and self-employment impacts and that the long-run benefits, measured in terms of household expenditures, outweighed their...

Supporting 18-25 Year-Olds Through Long-Term Mentoring Plus Financial Assistance in France (Pass' Accompagnement)

Vera Chiodi
Nicolas Studer
In France, researchers evaluated the effect of a financial independence and social integration program for young adults living in government-subsidized housing. They analyzed its impact on the young adults’ professional lives, housing situations, financial independence, and general welfare.