Dynamic Patterns and Small-Area Variation in Hospital Admissions
18 Pages Posted: 11 Jun 2007
The determinants for the number of inpatient hospital admissions across Danish municipalities are analysed using balanced panel data from the period 1991-2004. The determinants include socio-demographic variables, home help service, residential homes capacity, proxy variables for morbidity, utilization of primary care services, accessibility of hospitals and a number of other factors. Heterogeneity between municipalities will be controlled for and spatial spillover effects across municipalities will be explored in order to disclose the spatial dynamics of hospital admissions. The results reveal substantial heterogeneity and dependency across time, as well as presence of a significant spatial spillover effect. The effects of determinants - including those over which the municipalities exert some control - are seriously overestimated if such features are ignored. The results further imply that the number of hospital admissions is of a large area or supra-area nature which cannot be fully ascribed to a uniform treatment policy in the municipalities of a county.
Keywords: small-area variation; spatial spillover; spatial autoregression; hospitals admissions
JEL Classification: I11, L65, R15, C21, C23
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