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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. 

Certification, Teacher Effectiveness, and Student Learning in the United States

Steven Cantrell
Jon Fullerton
Certified teachers were no more likely than non-applicants to be effective at improving students’ test scores, but were more effective than unsuccessful applicants. Researchers found that estimates of teacher effectiveness based on test scores from previous years were a strong predictor of student...

Using a Technology-Based Solution to Reduce Public Health Worker Absenteeism in Pakistan

Saad Gulzar
Ali Hasanain
In developing countries, public worker absence is a key obstacle to delivering services to the poor. This problem may occur when politicians reward their supporters with public sector jobs, making it difficult for communities to hold public servants accountable. Researchers evaluated the...

More School Resources, Better Teacher Incentives, or Both to Improve Student Learning in Tanzania

Rakesh Rajani
Youdi Schipper
Researchers evaluated the impact of providing schools with an unconditional cash grant, a teacher incentive program, or both on student learning. The cash grant had no impact on student learning, while the teacher incentive program had mixed results. However, combining both programs together had an...

Prepaid Electricity Meters to Decrease Electricity Use and Recover Utility Revenue in South Africa

Grant Smith
Researchers conducted a randomized evaluation in Cape Town, South Africa to measure the effect of prepaid meters on households’ electricity use and utility revenue. They found that prepaid meters led households to reduce their electricity consumption, but helped the utility company recover more...

The Welfare Effects of Behavioral Energy Conservation in the United States

In the United States, researchers evaluated the social welfare impacts of one very popular nudge to decrease energy consumption—Home Energy Reports (HERs). While they found that the HERs increased social welfare overall, these gains were far less than those reported by previous evaluations that did...

Agricultural Microinsurance for Sugar Cane Farmers in Kenya

Researchers partnered with a large sugar cane company to see if delaying the premium payment until after the harvest would increase farmers’ demand for insurance. Researchers found that farmers were much more likely to purchase insurance when the payments were delayed until after the harvest.