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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 Effect of India's Total Sanitation Campaign on Defecation Behaviors and Child Health

Benjamin Arnhold
Bertha Briceno
Sandipan Ganguly
John M. Colford Jr.
Sumeet R Patil
Alicia L. Salvatore

Providing Endowments to Improve Bargaining Outcomes for Microentrepreneurs in Ghana

Gisella Kagy
Lena Song
Researchers randomly provided more or less cash to garment-making firm owners in Ghana before a bargaining game to evaluate the impact of endowment on the negotiated sale price of a good. Owners of garment-making microenterprises with lower household liquidity agreed to lower sale prices during the...

Peer Group Assignment and Student Achievement in the United States

Researchers evaluated the impact of creating peer groups optimized to improve the academic achievement of lower-ability first-year students at the United States Air Force Academy. Placing lower-ability students in the optimized groups, which mixed them with a relatively large number of peers with...

Housing Lottery to Increase Demand for Formal Government Housing and Improve Welfare in Ethiopia

In low- to middle-income countries around the world, nearly one billion people lived in urban informal settlements as of 2018. Rapid urbanization in most large African cities has led to both more people and a higher proportion of people living in informal settlements over time. Researchers conducted...

Video-based Group Extension for Women Farmers in India

Tushi Baul
Kentaro Toyama
Kathryn Vasilaky
In partnership with Digital Green and Jeevika, researchers conducted a randomized evaluation in Bihar, India, to assess the impact of a video-based training on female farmers’ adoption of a climate-smart technique called System of Rice Intensification (SRI), and their yields and profits. Farmers...

Using Social Networks to Spread Word-of-Mouth Information Campaigns in Rural India

Researchers conducted two randomized evaluations in India in which they identified effective individuals for information sharing ("gossips") through word-of-mouth. They found that information was disseminated more widely when shared by individuals nominated by others in their community, rather than...

The Impact of Defaults and Financial Incentives on Savings Decisions on a Mobile Money Platform in Afghanistan

In partnership with a mobile network operator launching a new phone-based savings account, researchers evaluated the role of defaults and financial incentives on savings decisions. Two months after the launch of the phone-based savings account, the company’s employees randomly assigned a default...