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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.

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.

Improving Immunization Rates Through Regular Camps and Incentives in India

In rural Rajasthan, India, researchers evaluated whether improving access to vaccines via immunization camps could increase immunization rates, and whether additionally offering a non-financial incentive such as lentils could further increase rates. They found that providing incentives alongside...

Improving Loan Repayment through Positive Incentives in Uganda

Ximena Cadena
Researchers evaluated the effect of (a) simple text message reminders and (b) financial incentives on borrowers' loan repayment. These methods had similarly positive effects, which suggests that the text message reminders may be a more cost-effective intervention. The reminders proved particularly...

Text Messages as Reminders for Antiretroviral Medication Adherence in Kenya

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...

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.

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...

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...