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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

Contesting Criminal Gang Governance in Medellin: The Impacts of Intensive Municipal Governance and Community Organization on Gang Control and Governing of Neighborhoods

Gustavo Duncan
Benjamin Lessing
In partnership with the City of Medellín, researchers randomly introduced a program that intensified government outreach to gang-controlled neighborhoods. The study found no evidence that the city’s intervention reduced gang rule.

Impact of Loans and Grants on Microenterprise Growth in Egypt

Mohamed El Komi
In partnership with three microfinance institutions (MFIs), researchers conducted a randomized evaluation to measure the impact of providing loans, cash grants, or in-kind grants on microentrepreneurs’ business decisions, outcomes, and overall welfare. All three types of capital assistance led to...

The Impact of a Digital Credit for Small-Scale Farmers in Ghana

Researchers are evaluating the impact of an innovative mobile phone-based digital finance program on loan repayment rates, investment decisions, savings, and use of other financial services, as well as agricultural yields and profits.

Sequencing Two Early Childhood Interventions Back-to-Back in India

Britta Augsburg
Jere Behrman
Monimalika Day
Sally Grantham-McGregor
Prachi Gupta
Prerna Makkar
Rashim Pal
Angus Phimister
Marta Rubio-Codina
Nisha Vernekar
Researchers evaluated the impact of immediately following up an early childhood development intervention for one-to-three-year-old children with a second intervention for three-to-six-year-olds. The early and late interventions each increased IQ and school readiness for children, although there was...

The Impact of Diagnostic Feedback for Teachers on Student Learning in India

Venkatesh Sundararaman
Researchers evaluated whether providing low-stakes diagnostic tests and feedback to teachers led to improved student learning outcomes in India. They found that teachers in intervention schools exerted more effort when observed in the classroom but students in these schools performed no better on...

Increasing Profits through Subsidized Microenterprise Relocation in Uganda

Those self-employed in microenterprises, who often report low profits and own few assets, account for fifty percent of the labor force in low-income countries. Researchers are conducting a randomized evaluation to test the effect of relieving constraints to microenterprise relocation on business...

Farmers and the fear of crime: Improving agricultural productivity through farm protection in Kenya

Julian Dyer
In Kenya, researchers matched farmers with subsidized, trained watchmen to evaluate the effect of improved farm security on farmers’ decision-making, agricultural productivity, and conflict with neighbors. Security was shown to increase and in response, farmers made different cropping, time use, and...

The Impact of Sexual Harassment Awareness Training on Attitudes and Norms in India

Karmini Sharma
The researcher evaluated the impact of a sexual harassment training on the incidence of sexual harassment, opposite sex relationships, and attitudes and beliefs towards sexual harassment in India. Overall, the training reduced extreme forms of sexual harassment in the short run and intermediate...