Are multihospital systems more efficient?
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Biomedical subjects
Publications and source records attributed to D Dranove.
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This study examines evidence of market segmentation on the basis of patients' insurance status, demographic characteristics, and medical condition in selected local markets in California in the years 1983 and 1989. Substantial differences exist in the probability patients may be admitted to particular hospitals based on insurance coverage, particularly Medicaid, and race. Segmentation based on insurance and race is related to hospital characteristics, but not the characteristics of the hospital's community. Medicaid patients are more likely to go to hospitals with lower costs and fewer service offerings. Privately insured patients go to hospitals offering more services, although cost concerns are increasing. Hispanic patients also go to low-cost hospitals, ceteris paribus. Results indicate little evidence of segmentation based on medical condition in either 1983 or 1989, suggesting that "centers of excellence" have yet to play an important role in patient choice of hospital. The authors found that distance matters, and that patients prefer nearby hospitals, moreso for some medical conditions than others, in ways consistent with economic theories of consumer choice.
The hospital services component of the Consumer Price Index (CPI) measures the cost of hospital services to private patients paying list prices. It is, however, widely used as an estimate of the overall rate of inflation in hospital prices in spite of the fact that there are strong reasons to believe that it is inappropriate to use the CPI for this purpose. This is because: 1) A growing number of patients are enrolled in health maintenance organizations (HMOs) and preferred provider organizations (PPOs), which negotiate discounts from list prices; and 2) the size of the discounts may have been increasing. The potential result is a gap between the rate of inflation of list prices and the rate of inflation of actual prices paid in transactions. This study explores whether such a gap exists and determines its possible magnitude. In addition, parallel indices for list and actual prices are computed on the basis of data from California hospitals for fiscal years 1983-1988. The analysis suggests that list price inflation has greatly exceeded actual inflation--by a factor of two for recent years. These findings have broad implications for evaluating not only inflation but also the impact of cost containment strategies.
Recent developments in the theory of agency--the relationship that arises e when a principal delegates authority to an agent--offer powerful insights into the organization of health care delivery systems. In this paper we first provide an overview of the agency literature and then illustrate how relationships between doctors, patients, and hospitals can be explored within an agency framework. We find that not only the evolution of standard fee-for-service relationships but also the emergence of HMOs can be analyzed as responses to uncertainty and to difficulties in writing complete, enforceable contracts. These findings have broad implications for health policy and suggest a variety of strategies for addressing agency issues.
Preferred provider organizations (PPOs) and other discount health care purchasers are injecting price competition into the hospital market, which has hitherto been insulated from price competition by comprehensive and generous insurance coverage. Providing the discounts demanded by PPOs thus poses unaccustomed and difficult problems for hospitals. We constructed a model to study the choices forced by PPOs on the hospital market. We predict that prices will fall, excess capacity will be reduced, and some hospitals may develop financial problems. In the extreme case, prices will fall substantially, some hospitals will go bankrupt, excess capacity will be eliminated, and an unprecedented price volatility will be introduced into the market.
Although it is widely perceived that home nursing care reduces the utilization of hospital services, and thus the cost of care, the magnitude of the savings is not clear. In this study of a hospital-based home nursing care program, we compared the medical process at two hospitals, one with and one without a home nursing department. Regression analysis showed that home nursing care significantly reduced both the length of hospital stays and the number of follow-up visits to outpatient clinics. After accounting for the cost of the home nursing program, however, we found that the program did not significantly reduce overall hospital expenditures.
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