Study: When adults gain access to Medicaid, they sign up their previously unenrolled kids, too — yet many more remain outside the system.

Evaluation Incubators to provide technical assistance, training, funding to help partners design randomized evaluations of housing stability strategies and state and local programs.

Large study of existing research shows incremental improvement in patient outcomes and productivity, without big employment changes.

First results underscore the urgent need for a better understanding of how to address inequities in birth outcomes.

Research shows that in Hungary, debt drove voters to the right, as part of a consequential shift.

Using Ecuador as case study, economists show international trade widens the income gap in individual countries.

New J-PAL North America publication helps policymakers understand summer programs’ wide-ranging benefits, in such areas as criminal justice involvement, education, and development.

Field experiment in Bangladesh shows the poor simply lack opportunities to gain wealth — but a one-time boost can make a major difference.

Compared to native-born citizens, immigrants are more frequently involved in founding companies at all scales.

New study reveals multiple pathways for a successful energy transition by 2050.