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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

Comparing Livelihood Approaches for the Ultra-Poor in Ghana

Nate Barker
Elizabeth Bradley
Angela Ofori-Atta
The Graduation Approach, a model for holistic livelihoods programs, has been proven to have lasting impacts on poor families’ income, assets, food security, and mental health, but these programs can be expensive to implement. In Ghana, researchers are evaluating the impact of different variations of...

Information and Price Variations to Reduce Residential Energy Use in the United States

Researchers evaluated the effects of introducing price increases during peak periods and also real-time information about electricity usage to residential customers in the United States. Households that received feedback about usage reduced consumption and individuals were more responsive to pricing...

Improving Security through Concentrated Policing in Bogotá, Colombia

Daniel Mejia
Daniel Ortega
In Bogotá, Colombia, researchers partnered with the city to measure the impact of either concentrated policing, increased municipal clean-ups, or both on crime reduction and displacement. The evaluation found that the two approaches reduced crime on targeted streets when implemented together, but...

Increasing Mobile Banking Use Among Rural Populations in Ghana

Researchers assessed the impact of financial incentives and peer endorsement on mobile banking adoption and formal savings in Ghana. While financial incentives boosted adoption by 50 percent, peer endorsement was twice as effective, leading to sustained mobile banking use and a 30 percent increase...

Building Preschools to Improve Child Development and Mothers' Agency in Morocco

Researchers are conducting a randomized evaluation to measure a major preschool construction program underway in Morocco.