Some educators are concerned that students with test scores at the bottom or top of the test score distribution will negatively affect the value-added estimates of teachers of those students.

This report discusses findings from the first 18 months of a program implementation evaluation of AIM 4 Teen Moms, a teen pregnancy intervention designed to delay rapid repeat pregnancies among parenting teen mothers in Los Angeles.

In this report, we document our approach to estimating a value-added model of teacher effectiveness in the District of Columbia Public Schools and eligible DC charter schools participating in Race to the Top during the 2013–2014 school year.

Reference pricing, or capping payment for a particular medical service, has been gaining interest as a strategy to reduce health care costs. Using private insurance data as a measure, reference pricing applied to a narrow scope of inpatient services was shown to produce limited...

Average hospital outpatient department prices for common imaging, colonoscopy and laboratory services can be double the price for identical services provided in a physician’s office or other community-based setting.

This brief describes a novel approach that Mathematica Policy Research used to evaluate state oversight of a new Medicaid managed care program for individuals people with disabilities in Washington State.

Employer-sponsored health insurance (ESI) is the dominant source of coverage for nonelderly adults in the United States. Virtually all businesses with 200 or more workers offer coverage to at least some of their employees, whereas many small businesses do not offer it to any. An important reason...