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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

Pricing Schemes and Irrigation Techniques for Water Conservation and Farm Profits in Bangladesh

Researchers conducted two randomized evaluations in Bangladesh to study the impact of a new irrigation method and different pricing schemes on water use and conservation. The new irrigation method reduced water consumption and costs for farmers who were already paying for water by the hour, or by...

Positive Psychology for Psychological Well-Being and Decision-Making in Kenya

In Kenya, researchers conducted a randomized evaluation to test the impact of a light-touch positive psychology intervention on psychological well-being and economic decision-making for low-income populations. The intervention had a positive impact on gratitude; however, it had no significant...

Principal Training to Improve Student Achievement in Puerto Rico

Researchers are evaluating the impact of changes in school management practices on student outcomes over time by introducing a large-scale principal training program for school directors in Puerto Rico and testing different strategies to sustain improved management practices after the program.

Scripted Teacher Lessons on Student Learning in Chile

Marina Bassi
Ana Reynoso
Researchers partnered with the Chilean Ministry of Education to evaluate the impact of pre-packaged classroom materials and standardized directions for teachers on teaching quality and student learning. The program improved student learning outcomes substantially, with equal benefits for both boys...

India’s Happiness Curriculum to Improve Youth Mental Health, Learning, and Development

Avinash Moorthy
Researchers are examining the impact of a socioemotional learning curriculum on student mental health, academic achievement, and other social outcomes.

Environmental inspections for pollution regulation enforcement in China

In collaboration with China’s National Environmental Inspection Program, researchers are evaluating the impact of reporting firms’ hourly emissions data to environmental inspectors on the likelihood of firms being inspected, local air pollution, local economic output, and health outcomes.

Using Technology to Improve Direct Benefit Transfer in India

Researchers conducted a randomized evaluation of a web and mobile-based management and monitoring platform, PayDash, to improve the administration of Mahatma Gandhi National Rural Employment Guarantee Scheme (MGNREGS). PayDash access reduced wage payment delays and increased household participation...