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Researchers studied Zambia's Teaching at the Right Level program, delivered by government teachers nationwide, using a pre-registered cluster-randomized trial and an event study covering 4.4 million exam scores. After two years, the program improved children’s foundational literacy and numeracy...

Researchers are evaluating the impact of making environmental inspections of high-polluting industrial plants more frequent and removing regulator discretion in selecting plants for inspection on regulatory compliance and pollution emissions in Gujarat, India.

Researchers partnered with the Government of Paraguay to measure the impact of a new monitoring technology—GPS-enabled cell phones—on the job performance of agricultural extension agents (AEAs). Overall, cell phones improved AEAs’ performance by increasing the share of farmers visited, and...

The researcher used a randomized evaluation in Papua New Guinea to study the impact of the Community Auxiliary Police (CAP), a program that devolves policing powers to carefully selected community members. Results suggest increased state presence may have widened the gap between men and women’s...

The Graduation Approach, a model for holistic livelihoods programs, has been proven to have lasting impacts on poor families’ income, assets, food security, and mental health, but these programs can be expensive to implement. In Ghana, researchers are evaluating the impact of different variations of...

In Bogotá, Colombia, researchers partnered with the city to measure the impact of either concentrated policing, increased municipal clean-ups, or both on crime reduction and displacement. The evaluation found that the two approaches reduced crime on targeted streets when implemented together, but...