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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.

The Oregon Health Insurance Experiment in the United States

Heidi Allen
Mira Bernstein
Jonathan Gruber
Joseph P. Newhouse
Eric Schneider
Jae Song
Bill Wright
Alan Zaslavsky

Building Trust in Fertilizer Quality Among Farmers in Tanzania

Annemie Maertens
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...

The Impact of Delayed Wage Payments on Spending and Investment in Malawi

Lasse Brune
Qingxiao Li
Researchers conducted a randomized evaluation to test the impact of paying workers on a weekly basis or in one lump sum, as well as of receiving payments in contexts with greater temptation to spend, on their spending and investment decisions. Workers assigned to receive lump-sum wages were more...

Improving Measurement of Farmers Skills in Western Kenya

Researchers conducted a randomized evaluation in western Kenya to test how farmer participation in agronomic trials impacted their experimentation on their own farms with different input combinations and impacted their use of high-quality inputs, yields, adoption of new crops, and profitability...

Training Teachers in Curiosity-Based Science Pedagogy in India

Ariel Gomez
Vinay Jha
Santosh Kumar
Sandeep Kumar
Nishith Prakash
Soham Sahoo
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...