provide incentives for hospitals to reduce costs or improve quality. Instead, it makes publicly available hospital quality … hospitals will be motivated to improve quality but not decrease costs. We study hospital costs and quality for the period … spanning 2003 to 2009. To assess the impact of the Reform on costs and quality, we compare the change in Massachusetts hospital …

This study assessed the effect of hospital competition and HMO penetration on mortality after hospitalization for six … medical conditions in California, New York, and Wisconsin. We used linked hospital discharge and vital statistics data to … and hospital competition, HMO penetration, and hospital and patient characteristics as explanatory variables. Higher …