Health Affairs is a multidisciplinary, peer-reviewed journal dedicated to the serious exploration of major domestic and international health policy issues. Health Affairs places special emphasis on pursuing issues that are of concern to and engage both the private and the public sectors. Further, we encourage private and public decisionmakers–those who often generate creative ideas but seldom advance them in a form for publication–to contribute papers. The unique goal of Health Affairs is to incorporate in one publication the diverse viewpoints and perspectives of the health sphere–industry, labor, government, and academe–in a way that benefits everyone who reads it.