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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 Profitability of Fertilizer in Mali

Researchers randomly provided free fertilizer to women rice farmers in southern Mali to measure how farmers chose to use the fertilizer, what changes they made to their agricultural practices, and the profitability of these changes. The fertilizer grants led to increased fertilizer use, use of...

The Impact of Informational Interventions about Police Alternatives on Police Reliance in the United States

Meghna Baskar
Tony Cheng
Rei Mariman
Researchers conducted a randomized evaluation to test the impact of providing information about police alternatives on individuals' reported likelihood of calling the police and a follow-up randomized evaluation to understand key public-safety stakeholders’ receptiveness of police alternatives. The...

Dependence Duration and Labor Market Conditions: Evidence from the United States

Researchers conducted a randomized evaluation to assess the role of employer behavior in generating "negative duration dependence"—the adverse effect of longer unemployment spells—by sending fictitious resumes to real job postings in 100 U.S. cities. Callback rates declined sharply over the first...

Evaluating the Impact of Play-Based Learning on Early Childhood Development in South Africa

In KwaZulu-Natal, researchers are measuring the impact of the Six Bricks program, which promotes structured play using manipulative bricks combined with a set of carefully designed pedagogical activities, on preschoolers' executive function skills.

Citizen Demand for Corruption: Evidence from Roadway Tolls in the D.R. Congo

Otis Reid
Researchers conducted a randomized evaluation of incentives for motorcycle taxi drivers to pay the legal road tolls in the Democratic Republic of the Congo. Results suggest that financial incentives reduced bribery by seven to ten percentage points.

Supplementing Savings Groups with External Funds to Expand Access to Lending in Uganda

Researchers conducted a randomized evaluation to test whether supplementing SGs with additional funds impacts SG members' financial access and behavior. Capital infusions to Sgs increased members' access to loans and members received more money at the end of year payout, without increasing defaults...

The Role of Students’ Mindset in Improving Educational Outcomes in France

Researchers evaluated the impact of a series of class discussions in middle school that emphasized the importance of these skills on student behavior and test scores. The program improved participating students’ academic achievement, particularly among girls, well-behaved students, and non...