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Parcourez les articles de presse, médias en ligne, blogs, podcasts et vidéos sur notre travail et la recherche de nos affiliés, ainsi que nos communiqués et lettres d'information, par année. Nous invitons les médias à nous contacter par courriel

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...

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...

Culture and Incentives: Does Performance Pay Impact Productivity, Work Quality, or Firm Profitability in Ghana?

In Ghana, researchers evaluated the impact of performance pay on worker productivity. They found that neither individual nor group incentives impacted productivity, work quality, or firm profitability.

Reducing Administrative Burden for Postpartum Individuals Accessing Primary Care in the United States

Researchers evaluated the impact of auto-scheduling appointments with targeted messages and nudge reminders on primary care engagement within four months after delivery for postpartum individuals with diabetes, hypertension, mental illness, or obesity in the United States. Individuals who received...

Conditional Cash Transfers and HIV/AIDS Prevention in Malawi

Hans-Peter Kohler
Researchers evaluated whether offering individuals financial incentives to maintain their HIV-negative status could be an effective HIV prevention strategy in rural Malawi. The conditional cash transfer had no effect on HIV status or on self-reported sexual behavior. The receipt of the cash...

The Impact of Enhanced Business Training for High-Potential Entrepreneurs in Colombia

Small and medium enterprises are thought to be an important source of innovation and employment in developing countries, but entrepreneurs face a number of barriers to expanding their businesses. In Colombia, researchers are examining the impact of a combination of training, mentorship, and...

The Effects of Kindergarten Classroom on Earnings in the United States

John Friedman
Nathaniel Hilger
Diane Whitmore Schanzenbach
Danny Yagan
Researchers measured the effect of class size, teacher quality, and classroom quality on earnings and other future outcomes for children participating in the Student/Teacher Achievement Ratio (STAR) project in Tennessee. The study found that smaller class sizes raised college attendance, more...