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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

The Timing and Effectiveness of Subsidies for Agricultural Technology Adoption in Zambia

Samuel Bell
Christopher Severen
Elizabeth Walker
Technology adoption often requires investments over time. As farmers realize new information about the costs and benefits of investments, they may abandon the newly adopted technology shortly after. Researchers partnered with the non-governmental organization Shared Value Africa and Dunavant Cotton...

The Impact of Unconditional Cash Transfers on Health Outcomes in the United States

David E. Broockman
Patrick Krause
Elizabeth Rhodes
Researchers evaluated the impact of a US$1,000 monthly unconditional cash transfer to individuals with low incomes for three years on health outcomes including nutrition, sleep, health care access and use, and physical and mental health. Those who received the large cash transfer spent more on...

The Impact of Informational Mailings on SNAP Enrollment in the United States

Researchers studied the impact of providing outreach and assistance to households that are likely eligible for the Supplemental Nutrition Assistance Program (SNAP), previously known as food stamps, on enrollment in the program.

Improving Consumer Choices on Health Insurance Marketplaces in the United States

Researchers studied the impact of providing personalized and generic information about potential savings via letters and e-mails on enrollee health plan choices.

Human-AI Cooperation to Improve Tutoring in the United States

Dora Demszky
Ana Ribeiro
Carly Robinson
Rose E. Wang
In collaboration with FEV Tutor, researchers conducted a randomized evaluation to study whether Tutor CoPilot, an AI language model tool, could enhance tutoring quality and improve student learning outcomes in math. Researchers found that tutor access to Tutor CoPilot improved student learning...

Randomized Evaluation of the Nurse Family Partnership in South Carolina

Farah Allouch
Samuel Ayers
Alyna Chien
Rebecca A. Gourevitch
Michele R. Hacker
Michelle Woodford Martin
Nicolas Perreault
Slawa Rokicki
Chloe Zera
Annetta Zhou
Researchers are evaluating the impact of an intensive nurse home visiting program for low-income mothers on pregnancy and birth outcomes, child health and development, and future life-courses for the family. The program had no effect on adverse birth outcomes or prenatal outcomes such as health care...

The Impact of a Simple Savings Device on Meeting Planned and Unplanned Expenses in Niger

Researchers conducted a randomized evaluation to test the impact of a savings lockbox, or SMS reminders, on household saving, spending, and the ability to cope with negative shocks in rural Niger. Take-up and usage of the lockbox were high, and while the lockbox intervention did not affect overall...