News

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...

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.

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...

In collaboration with China’s National Environmental Inspection Program, researchers are evaluating the impact of reporting firms’ hourly emissions data to environmental inspectors on the likelihood of firms being inspected, local air pollution, local economic output, and health outcomes.

Researchers conducted a randomized evaluation in Colombia to assess the effects of emergency cash assistance on the well-being of households. Recipients of the UCT experienced improved financial health, food access, and psychological well-being. Colombia’s newly implemented mobile money system...

Across six randomized evaluations, researchers studied the impact of low-cost, low-touch informational interventions, or “nudges,” on take-up of the federal and state Earned Income Tax Credit (EITC) in California. None of the interventions had an impact on EITC take-up, suggesting that information...

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...