investigates the causes and welfare effects of the observed hospital networks. A simple profit maximization model explains roughly …

significant weight on their expected utility from the hospital network when choosing plans. A welfare analysis, assuming fixed …

form of insurance in the private sector. Also, a wave of hospital consolidation occurred. In 1990, the mean population …-weighted hospital Herfindahl-Hirschman Index (HHI) in a Health Services Area (HSA) was .19. By 2000, the HHI had risen to .26. This … paper explores whether the rise in managed care caused the increase in hospital concentration. We use an instrumental …

We examine the recent increase in hospital advertising expenditures. We first illustrate that the rise in hospital … relationship between increases in for-profit presence in hospital markets and an increase in advertising spending by the not …

infer returns from hospital entry behavior. We estimate a model of patient flows for CABG patients that provides inputs for … costs. HMOs essentially pay at average variable costs, though the return varies inversely with competition …

the provision of charity care. We examine this issue using data on all hospital discharges in California between 1988 and …'s charity caseload. However, these public hospitals also take on larger shares of most other types of patients. At the hospital …