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.

Can Lotteries Help Prevent HIV Among Youth? Evidence from Lesotho

Researchers conducted a randomized evaluation to test the impact of lottery-based financial awards given to young individuals who tested STI-negative on their likelihood of contracting HIV and engaging in risky sexual behavior. The intervention provided frequent rewards at short intervals to bring...

Weekday vs. Weekend Text-Based Parenting Support in the United States

Hans Fricke
David Song
Ben York
In Texas, researchers conducted a randomized evaluation to test the impact of text message-based parenting support delivered at different times of the week on young children’s literacy and numeracy development. They found that text messages delivered on weekends were best for supporting children...

Avoiding Injuries at Home for Older People in France

Simon Beck
Lucile Romanello
Researchers conducted a randomized evaluation to understand whether providing information about the risk of accident and methods for prevention, or incentives to install home safety measures affect take-up of a home safety adaptations program. Cost reduction incentives and information disclosures...

Laser-Branding Technologies to Increase the Quality of Watermelons in Chinese Markets

Researchers conducted a randomized evaluation to test the impact of different types of labels to signal product quality on sellers’ ability to develop a reputation for consistently selling high-quality watermelons in China. The more expensive laser-cut label influenced sellers to provide higher...

School-Based Nutrition Programs to Improve Child Health in India

Saurabh Mehta
Priya Mukherjee
Hannah Ruebeck
Gauri Kartini Shastry
Researchers conducted an evaluation to test the impact of introducing a second school-based nutrition program, and monitoring these two programs, on child nutrition and program implementation. Results showed that high intensity monitoring improved the implementation of the government’s iron and...

Enhancing Local Public Service Delivery through Financial Reform of India's Employment Guarantee

Social programs in developing countries are often plagued by corruption, especially within the flow of funds from the central government to beneficiaries. For the Mahatma Gandhi National Rural Employment Guarantee Scheme (MGNREGS) in India, the central government disburses funds to local governments...

The Persuasive Effects of Televised Campaign Ads

James G. Gimpel
Daron R. Shaw
Early in the 2006 campaign for governor of Texas, the launch date and volume of television advertisements as well as the launch date of radio advertisements for the incumbent candidate were randomly assigned across media markets to evaluate the impact of the ads on public opinion. Results indicate...