Blog

News

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 Impact of an Inventory Credit Program on Palm Oil Farmers in Sierra Leone

Researchers tested the effect of an inventory credit program that provided storage facilities and loans on palm oil farmers’ agricultural activities in Sierra Leone. Take-up and use of the storage and loans was low, and there was no impact on total storage or timing of sales.

Providing High-Quality Online Lesson Plans to Improve Student Learning in the United States

Researchers evaluated the impact of providing teachers with access to high-quality online lessons and implementation support on student achievement in mathematics. Providing teachers with access to the lessons, reminders, and implementation support significantly increased student achievement.

The Impact of Teaching Teachers to Use Computer Assisted Learning on Student Math Performance in the United States

Researchers conducted two randomized evaluations to test the impact of coaching teachers on integrating CAL in their elementary and middle school mathematics instruction in two large, diverse school districts in the United States. The intervention led to improved math performance in one evaluation...

The Effect of Information on Irregular Migration Decisions in Nigeria

Bernd Beber
Florian Foos
Researchers are evaluating the impact of providing information about the risks and outcomes of irregular migration through door-to-door campaigns and social networks on actual migration decisions in Nigeria.

Digital Delivery of Humanitarian Aid to Improve Food Security of Women in Afghanistan

Michael Findley
Miguel Fajardo Steinhäuser
Researchers evaluated a program delivering digital aid payments on food security and mental well-being for vulnerable female-headed households in Afghanistan. Digital payments led to improved food security and mental well-being for beneficiaries. Digital delivery of aid was also cost-effective and...

Credit, Uncertainty, and Monitoring for Technology Adoption

In Senegal, researchers are testing a new contract arrangement between farmers and cooperatives that includes credit, training, and a price premium for certified low-aflatoxin groundnuts on farmers’ decisions to adopt Aflasafe, aflatoxin levels, and output sales.

The Impact of Unconditional Cash Transfers to Pregnant Women and Lactating Mothers on Child Health in India

In partnership with the Government of Jharkhand, researchers conducted a randomized evaluation to study the impact of unconditional, framed cash transfers to pregnant women and lactating mothers on child health.

Worker Evaluations of Managers and Productivity in China

Shing-Yi Wang
Researchers randomly assigned automobile manufacturing workers to provide monthly feedback on their managers to measure the impact of feedback on worker productivity, turnover, and job satisfaction in China. Team-level productivity was higher, turnover was lower, and workers’ happiness increased...