Blog

News

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

Costs of Failure to Appear for Arraignment

Natalia Emanuel
Helen Ho
Researchers will conduct a randomized evaluation to test the impact of different types of notifications on rates of failure to appear in traffic and criminal misdemeanor courts.

Improving the Targeting of Preventive Health Subsidies through Vouchers in Western Kenya

Vivian Hoffman
Alix Peterson Zwane
In Western Kenya, researchers compared three different approaches to subsidizing dilute chlorine solution to treat drinking water: a partial subsidy, a twelve month supply of free chlorine through monthly vouchers, and a twelve month supply of free chlorine hand-delivered. Safe water rates were much...

Demand for Information on Environmental Health Risk, Mode of Delivery, and Behavioral Change: Evidence from Sonargaon, Bangladesh

Kazi Matin Ahmed
Alexander van Geen
Ricardo Maertens
In Bangladesh, researchers evaluated the impact of different selling schemes on demand for water testing, and the impact of test results on switching to a safer well. Although group test sales and well safety placards increased substantially the likelihood that households switched to a possibly...

Afghanistan Targeting the Ultra-Poor Impact Evaluation

Guadalupe Bedoya
Aidan Coville
Mohammad Isaqzadeh
Jeremy Shapiro
In Afghanistan, researchers evaluated the impact of a Targeting the Ultra Poor program on poverty reduction. The cost-effective program generated large positive impacts for women participants across key outcomes: consumption, assets, psychological well-being, total time spent working, financial...

Cash and Microenterprise Support for the Ultra-Poor in Uganda

In partnership with the Association of Volunteers in International Service, researchers evaluated the impact of the Women’s Income Generating Support (WINGS) program, an initiative which provided low-income Ugandan individuals, mainly women, with financial grants, business skills training, and...

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...

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...