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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.

Reducing Covid-19 Infections and Holiday Travel through Social Media Campaigns in the United States

By running a Facebook public health campaign, researchers found that social media messaging from doctors and nurses reduced holiday travel and subsequent Covid-19 infection rates. This suggests that social media campaigns may be an impactful and cost-effective way to slow the spread of Covid-19 and...

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...

The Impact of Outreach and Assistance from Navigators on Medicaid Renewals in the United States

Allison Espeseth
Researchers assessed the impact of outreach on Medicaid retention; outreach messages provided a reminder to renew as well as information about how to obtain free one-on-one assistance with renewal processes from health insurance navigators. Outreach using pre-recorded calls prevented denials due to...

Providing Conditional Cash Transfers to Encourage Childhood Immunization in Pakistan

Sara Abdullah
Danya Arif
Subhash Chandir
Aamir Khan
In Pakistan, researchers conducted an evaluation to test the impact of different types of mobile conditional cash transfers (mCCTs) on childhood immunization coverage and timeliness. Overall, small mCCTs led to increases in rates of immunization coverage at a low administrative cost. Additionally...

The Impact of Peer Messaging to Combat the Spread of Covid-19 in Zambia

Researchers conducted a randomized evaluation in Zambia to test the impact of a peer-based information campaign, consisting of SMS messages and small cash incentives, on people’s adherence to Covid-19 health protocols. Participants forwarded public health SMSs when they were encouraged to do so, yet...

Peer Effects, Diversity, and College Roommates in the United States

Johanne Boisjoly
Jacque Eccles
Researchers in the United States assessed the impact on college students of having a roommate from a different race. White students assigned to a black roommate were more likely to endorse affirmative action policies than those assigned to a white roommate. Other factors, such as having roommates...

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...