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首页> 外文期刊>Journal of health economics >Competition and quality in health care markets: A differential-game approach
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Competition and quality in health care markets: A differential-game approach

机译：医疗保健市场的竞争与质量：差异博弈方法

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摘要

We investigate the effect of competition on quality in health care markets with regulated prices taking a differential game approach, in which quality is a stock variable. Using a Hotelling framework, we derive the open-loop solution (health care providers set the optimal investment plan at the initial period) and the feedback closed-loop solution (providers move investments in response to the dynamics of the states). Under the closed-loop solution competition is more intense in the sense that providers observe quality in each period and base their investment on this information. If the marginal provision cost is constant, the open-loop and closed-loop solutions coincide, and the results are similar to the ones obtained by static models. If the marginal provision cost is increasing, investment and quality are lower in the closed-loop solution (when competition is more intense). In this case, static models tend to exaggerate the positive effect of competition on quality.
机译：我们采用差异博弈的方法调查竞争对卫生保健市场质量的影响，其中管制价格采用差异博弈的方法，其中质量是库存变量。使用Hotelling框架，我们得出开环解决方案（卫生保健提供者在初始阶段就设定了最佳投资计划）和反馈闭环解决方案（提供商根据国家的动态来进行投资）。在闭环解决方案下，竞争更​​加激烈，从某种意义上说，提供商会观察每个时期的质量，并根据这些信息进行投资。如果边际供给成本不变，则开环解和闭环解是重合的，其结果与静态模型获得的结果相似。如果边际供给成本增加，那么闭环解决方案中的投资和质量就会降低（竞争更加激烈时）。在这种情况下，静态模型往往会夸大竞争对质量的积极影响。

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  • 来源
    《Journal of health economics》 |2010年第4期|P.508-523|共16页
  • 作者

    Kurt R. Brekke; Roberto Cellini; Luigi Siciliani; Odd Rune Straume;

  • 作者单位

    Department of Economics/HEB, Norwegian School of Economics and Business Administration, Helleveien 30, N-5045 Bergen, Norway;

    rnDepartment of Economics, University of Catania, Corso Italia 55 -195129 Catania, Italy;

    rnDepartment of Economics and Related Studies, and Centre for Health Economics, University of York, Heslington, York YO10 5DD, UK C.E.P.R., 90-98 Goswell Street, London EC1V 7DB, UK;

    rnEEC, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal Department of Economics/HEB, University of Bergen, Norway;

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  • 正文语种 eng
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  • 关键词

    health care markets; competition; quality;

    机译：保健市场;竞争;质量;

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