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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.

Cooking Stoves, Indoor Air Pollution, and Respiratory Health in India

While researchers found a meaningful reduction in smoke inhalation in the first year after households received an improved stove, there was no effect over longer time horizons. The difference between the laboratory and field results is due to households’ revealed low valuation of the stoves...

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Stephen Luby
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

Police Performance and Public Perception in Rajasthan, India

In this randomized evaluation in Rajasthan, India, researchers examined the effectiveness of five interventions on police performance: limiting administrative transfers; rotating duties and days off; elevating community involvement; incorporating on-duty training; and implementing “decoy” visits by...

Video-Mediated Agricultural Extension to Increase Technology Adoption Among Farmers in Ethiopia

Gashaw Abate
Tanguy Bernard
Simrin Makhija
David J. Spielman
Researchers conducted a randomized evaluation to test the impact of a video-mediated extension approach on the uptake of technologies recommended by the Ethiopian Ministry of Agriculture. The video-mediated instruction increased uptake through improved access to extension and farmer knowledge but...

Complement or Substitute? The Effect of Technology on Student Achievement in India

Researchers in India attempted to measure the impact of a daily Computer Assisted Learning program on student test scores when delivered as either a substitute for or supplement to the status quo curriculum (delivered during or after school, respectively). While the program improved math scores for...

Discrimination in Grading in India

Researchers used a randomized evaluation to test for discrimination in grading in India. They found that teachers gave exams that were assigned to be lower caste worse scores than those that were assigned to be high caste.

Promoting Sustainable Farming Practices in Malawi

Ariel BenYishay
Researchers conducted a randomized evaluation to test the impact of leveraging social networks to disseminate information about two technologies, pit planting and “Chinese composting,” on farmers’ adoption of these methods. Providing performance-based incentives to peer farmers had the biggest...