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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.

Improving Preschool Quality in Colombia

Lina Cardona-Sosa
Sonya Krutikova
Marta Rubio-Codina
Researchers evaluated two approaches to improving the quality of Colombian preschools. Providing additional resources to preschools for materials and new staff did not benefit children’s development and, unintentionally, led teachers to reduce their involvement in classroom activities. However, the...

The Impact of Virtual Summer Instruction on Student Learning Loss during the COVID-19 Pandemic in the United States

Sean Corcoran
Sarah Kroeger
COVID-19 school closures have led to widespread student learning loss in the United States. Researchers are evaluating the impact of individualized, virtual summer instruction on redressing these losses. This project is ongoing. Results forthcoming.

The Impact of Poverty Reduction on Child Health, Nutrition, and Sleep in the United States

Nathan Fox
Sarah Halpern-Meekin
Emma Hart
Alicia Kunin-Batson
Katherine Magnuson
Kimberly Noble
Jessica Sperber
Hiro Yoshikawa
To understand the causal impact of poverty reduction on children’s health, nutrition, sleep, and healthcare utilization, among other outcomes, researchers randomly assigned new mothers to receive an unconditional cash transfer of $333 (high-cash group) or $20 per month (low-cash group) in the Baby’s...

Attracting Talented Workers by Reducing Application Costs in Ethiopia

Girum Abebe
Esteban Ortiz-Ospina
Researchers partnered with an employer in Addis Ababa to assess the impact of a small monetary incentive to apply for a job or a higher wage offer on the quality of applicants to a vacancy for a clerical position. Both of these changes increased the quality of applicants by similar amounts.

The Impact of Meritocratic Promotions and Pay Progression on Health Care Workers' Productivity in Sierra Leone

Philipp Kastrau
Researchers tested the impact of a meritocratic promotion system and beliefs about pay progression on the productivity of Community Health Workers in Sierra Leone. A combination of meritocracy and the promise of a steep salary increase after promotion led workers to make more health care visits...

Targeting Foundational Skills to Improve Learning at Scale in Zambia

Andreas de Barros
Theresa Lubozha
Researchers studied Zambia's Teaching at the Right Level program, delivered by government teachers nationwide, using a pre-registered cluster-randomized trial and an event study covering 4.4 million exam scores. After two years, the program improved children’s foundational literacy and numeracy...

The Effect of Bureaucrat Performance Scorecards on Service Delivery and Bribes in Bangladesh

Researchers evaluated the impact of performance scorecards on the speed of delivery and the payment of bribes. Results show that the intervention increased on-time service delivery, but did not decrease bribe payments on average; bribes among high-performers increased.

Finding Missing Markets: An Agricultural Brokerage Intervention in Kenya

Researchers evaluated whether a package of services, designed to help link smallholder farmers to commercial banks, retail farm suppliers, transportation services, and exporters, could help small farmers in Kenya adopt, finance, and market export crops, and thus make more income. One year after the...