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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.

Taxes Make Smokers Happy

The Second Attempt Made the Difference

The Second Attempt Made the Difference

Environmental inspections for pollution regulation enforcement in China

In collaboration with China’s National Environmental Inspection Program, researchers are evaluating the impact of reporting firms’ hourly emissions data to environmental inspectors on the likelihood of firms being inspected, local air pollution, local economic output, and health outcomes.

Vouchers for Private Schooling in Colombia

Joshua Angrist
Erik Bloom
Elizabeth King
Colombia used lotteries to distribute vouchers which partially covered the cost of private secondary school for students who maintained satisfactory academic progress. Three years after the lotteries, winners were about 10 percentage points more likely to have finished 8th grade, primarily because...

The Effect of Free Contraception on Fertility in Burkina Faso

Adriana Lleras-Muney
Pauline Rossi
Researchers conducted a randomized evaluation among households in rural Burkina Faso to examine whether countries in sub-Saharan Africa are experiencing a slower shift in fertility levels due to lack of access to contraception or households wanting large families. Providing married women with access...

Perceptions of Female Leaders in India

Researchers studied the impact a quota system which randomly assigned villages in India to reserve village council positions for women. They found that quotas improved voters’ perceptions of the effectiveness of women as leaders and subsequently improved women’s electoral chances.

The Impact of Cash Transfers and Psychotherapy on Well-being in Kenya

Robert Mudida
Jeremy Shapiro
Researchers conducted a randomized evaluation to test the impact of unconditional cash transfers, a psychotherapy program, and their combination on psychological and economic well-being in rural Kenya.