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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.

Scaling Up Male Circumcision Programs: Demand Responses to Prices and Information

Jobiba Chinkhumba
An evaluation of a voucher program in urban Malawi found that providing information and reducing the price of circumcision only slightly increased take-up.

Cash Transfers’ Effects on Food Consumption in Mexico

Carlos Chiapa
Silvia Prina
Irvin Rojas
Researchers conducted a randomized evaluation to test the impact of the anti-poverty cash transfer program, PROSPERA, on food consumption for families living in poverty in Mexico. Households consumed enough food both before and after receiving the cash transfer.

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...

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...

Text Messages as Reminders for Antiretroviral Medication Adherence in Kenya

David R. Bangsberg
Markus Goldstein
Jessica Haberer
Sylvester Kimaiyo
Leslie MacKeen
Duncan Ngare
John Sidle
Harsha Thirumurthy
Damien de Walque
Joshua Graff Zivin
Researchers introduced text message reminders to evaluate their effect on Kenyan patients taking their antiretrovirals consistently and not skipping doses. Patients who received weekly text messages were more likely to take their medicine 90 percent of the time and were less likely to skip doses for...

Consumer Price Subsidies and Nutrition in China

Nolan Miller
A number of low-income countries subsidize the price of staple foods such as rice in an effort to improve nutrition, and these programs generally enjoy great public support. However, subsidizing staple foods may cause households to shift to their spending to better-tasting foods that are actually...

Student Incentive Structures in Malawi

Hyuncheol Kim
Hyuk Harry Son
Researchers conducted a randomized evaluation to test the impact of two different performance-based incentives on students’ test scores, motivation, and behavior in Malawi. They find that tournament-style incentives that rewarded the top performers among a large group lowered test scores and student...

Reducing School Violence and Harassment in France

Elise Huillery
Finding effective strategies to prevent violence and systematic harassment at school can improve student outcomes and wellbeing. Researchers evaluated the effectiveness of two programs aiming to reduce violence and harassment in primary and middle schools in France. Overall, neither program reduced...