期刊
JOURNAL OF RISK AND INSURANCE
卷 77, 期 1, 页码 129-144出版社
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1539-6975.2009.01335.x
关键词
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P>The gross price elasticity of demand for medical care is decomposed into two separate observable components: the medical care gross price elasticity of insurance choice and the cost-sharing elasticity of medical care. When consumers alter their choice of health-care plans, the price elasticity of medical care is no longer equivalent to the cost-sharing elasticity; using the latter as a proxy for the former may produce misleading results. We present conditions under which the medical care price elasticity is positive, the case of a quasi-Giffen good, and provide a theoretical foundation for extant empirical findings of a positive medical care price elasticity of insurance demand.
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