This report, which found that the Medicare risk program for HMOs did not save money for the federal government, and in fact cost more than if enrollees had not joined HMOs, touched off a fierce debate about payment rates and mechanisms for Medicare managed care that continues today. The report...

A critical, but often overlooked, aspect of benefit-cost analysis is an assessment of the uncertainty inherent in all program evaluation. This uncertainty arises from the estimation of program effects, from the procedures and assumptions used to value those effects, and from variations in the...

It is widely believed that the existing child welfare system is in crisis. In response, many have called for the implementation of intensive family preservation programs. In this brief paper, we identify four issues to be considered when attempting to evaluate the success or failure of family...