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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

Mobile Phone Data Compared to Household Surveys to Evaluate the Impact of Cash Transfers in Togo

Emily Aiken
Suzanne Bellue
In Togo, researchers conducted a randomized evaluation to test the effect of cash grants on people's welfare and if using mobile phone data in impact evaluations yielded the same results as survey data. They found that the cash grant program increased food security, mental health, and self-perceived...

Personality Traits and Responses to Persuasive Appeals among Voters in the United States

David Doherty
Conor M. Dowling
Gregory A. Huber
Costas Panagopoulos
Researchers used two randomized evaluations, an online survey and a field experiment, to test how personality traits affect responses to persuasive appeals to vote. They found that individuals with high levels of openness were most responsive to a range of appeals.

The Impact of a Formal Savings Intervention in Sri Lanka

Researchers conducted a randomized evaluation to test the impact of a deposit collection service on the amount of savings and the source of those savings. In a follow-up evaluation, researchers introduced design tweaks to test the impact of reducing collection costs on individuals’ savings behavior...

The Lightbulb Paradox: Consumer Behavior and Public Policy in the U.S. Electricity Market

Energy-efficient technologies, such as compact fluorescent lightbulbs (CFLs), have the potential to save consumers money, but their adoption remains low. Researchers evaluated the impact of information and price on demand for CFLs in two contexts: an online survey platform and a typical retail...

Providing Vision Screening and Free Eyeglasses in Elementary Schools in the United States

Jongwook Lee
Kristine West
Researchers evaluated the impact on educational outcomes of providing enhanced vision services to low-income elementary school children. Providing vision screening and free eyeglasses significantly increased achievement in two of the three districts studied, while screening without the provision of...