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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...

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...

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...

Removing Higher Education Barriers of Entry: Test Training and Classroom Peer Effects in Chile

In an ongoing study, researchers are evaluating whether providing subsidized test preparation to high-achieving, low-income students can diminish the barriers to entry to institutions of higher education in Chile.

Targeting Central Lead Farmers to Boost Agricultural Technology Adoption in Malawi

Researchers conducted a randomized evaluation to test whether the position of a trained lead farmer within a community’s social network affected other farmers’ decisions to adopt a new agricultural technology in Malawi. Results suggest that having access to multiple lead farmers/central individuals...

Contract Farming, Technology Adoption and Agricultural Productivity: Evidence from Small Scale Farmers in Western Kenya

In Western Kenya, researchers evaluated an SMS intervention whereby a large-agribusiness sent farmers with whom they contracted timely reminders on agricultural tasks to be completed. The SMS intervention was a cost-effective means of increasing yields, farmer revenue, and company profits. However...

Impacts of Flexible Loans on Borrower Behavior and Microenterprise Outcomes in Colombia

Lasse Brune
Xavier Giné
Researchers evaluated the impact of a flexible microloan product on new clients' repayment behavior, business outcomes, and client satisfaction. The results showed that the flexible loan led to some shifts in investment behavior but had no average impact on revenue or profits and led to higher...

The Impact of Cash Transfers on Early Childhood Health and Cognitive Development in Nicaragua

Norbert Schady
Renos Vakis
In Nicaragua, researchers examined the impact of a national conditional cash transfer (CCT) program on early childhood health and development. They found that the program caused substantial and lasting improvements in child health and development outcomes. However, it seems that program components...