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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.

Pricing Schemes and Irrigation Techniques for Water Conservation and Farm Profits in Bangladesh

Researchers conducted two randomized evaluations in Bangladesh to study the impact of a new irrigation method and different pricing schemes on water use and conservation. The new irrigation method reduced water consumption and costs for farmers who were already paying for water by the hour, or by...

Principal Training to Improve Student Achievement in Puerto Rico

Researchers are evaluating the impact of changes in school management practices on student outcomes over time by introducing a large-scale principal training program for school directors in Puerto Rico and testing different strategies to sustain improved management practices after the program.

The Impact of a Gender-Sensitive Training for Police Officers on Gender-Based Violence in India

Researchers are evaluating the impact of a gender-sensitization training for police officers in Bihar, India, using expressive arts techniques, on police officers’ attitudes towards gender-based violence as well as women’s safety and economic agency.

Scripted Teacher Lessons on Student Learning in Chile

Marina Bassi
Ana Reynoso
Researchers partnered with the Chilean Ministry of Education to evaluate the impact of pre-packaged classroom materials and standardized directions for teachers on teaching quality and student learning. The program improved student learning outcomes substantially, with equal benefits for both boys...

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.

The Impact of Unconditional Cash Transfers on Health Outcomes in the United States

David E. Broockman
Patrick Krause
Elizabeth Rhodes
Researchers evaluated the impact of a US$1,000 monthly unconditional cash transfer to individuals with low incomes for three years on health outcomes including nutrition, sleep, health care access and use, and physical and mental health. Those who received the large cash transfer spent more on...

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 a Contract Teacher Program Scale-up on Student Learning in Kenya

Mwangi Kimenyi
Germano Mwabu
Alice Ng’ang’a
Justin Sandefur
In Kenya, researchers conducted a randomized evaluation to test the impact of a contract teacher program on student learning outcomes, comparing implementation between an NGO and the government. The NGO-led program improved student test scores, while the government-led version had no impact.