role in explaining the effect of ownership status on hospital quality. When age, sex, diagnoses and co-morbidities are held … hospitals. -- hospital performance ; innovative procedures ; stratified duration model ; hospital quality …

role in explaining the effect of ownership status on hospital quality. When age, sex, diagnoses and co-morbidities are held …

This paper develops new econometric methods to infer hospital quality in a model with discrete dependent variables and … non-random selection. Mortality rates in patient discharge records are widely used to infer hospital quality. However …, hospital admission is not random and some hospitals may attract patients with greater unobserved severity of illness than …

outcome variables are the risk-adjusted hospital mortality rates for pneumonia (estimated by the authors) and acute myocardial … infarction (reported by the state of California). Measures of competition are constructed for each hospital and payer type. The … of competition for HMO patients decrease risk-adjusted hospital mortality rates. Conversely, increases in competition for …