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.

Providing Vision Screening and Free Eyeglasses in Elementary Schools in the United States

Jongwook Lee
Kristine West
Researchers evaluated the impact on educational outcomes of providing enhanced vision services to low-income elementary school children. Providing vision screening and free eyeglasses significantly increased achievement in two of the three districts studied, while screening without the provision of...

Comparing the Impacts of Industrial Jobs and Self-Employment in Ethiopia

In Ethiopia, researchers randomly assigned mostly female jobseekers to receive an industrial job offer or an unconditional cash transfer, meant to spur self-employment. While they found positive impacts of the cash transfers on occupational choice, income, and health in the first year, these effects...

Identifying Effective Teachers in the United States

Daniel McCaffrey
Trey Miller
Researchers evaluated how well different measures of teacher effectiveness predicted student performance in six school districts in the United States. Measures of teacher effectiveness based on student achievement in the previous year, classroom observations, and student surveys accurately...

The Timing and Effectiveness of Subsidies for Agricultural Technology Adoption in Zambia

Samuel Bell
Christopher Severen
Elizabeth Walker
Technology adoption often requires investments over time. As farmers realize new information about the costs and benefits of investments, they may abandon the newly adopted technology shortly after. Researchers partnered with the non-governmental organization Shared Value Africa and Dunavant Cotton...

Information and Price Variations to Reduce Residential Energy Use in the United States

Researchers evaluated the effects of introducing price increases during peak periods and also real-time information about electricity usage to residential customers in the United States. Households that received feedback about usage reduced consumption and individuals were more responsive to pricing...

Energy Conservation through Text Messages and Price Increases in Japan

Takanori Ida
Makoto Tanaka
Researchers introduced two programs during peak consumption hours—text messages encouraging energy conservation for the benefit of society, or price increases—to evaluate the impact of social motivation and dynamic pricing on energy conservation. Both programs led to reductions in electricity use...

Increasing Mobile Banking Use Among Rural Populations in Ghana

Researchers assessed the impact of financial incentives and peer endorsement on mobile banking adoption and formal savings in Ghana. While financial incentives boosted adoption by 50 percent, peer endorsement was twice as effective, leading to sustained mobile banking use and a 30 percent increase...