目的: 探讨DIP改革下医疗机构冲量行为产生的原因及风险隐患,为优化医保支付制度改革提供参考。方法: 基于利益相关者理论,构建医保DIP下医、保、患三方博弈模型,通过均衡解计算揭示不同约束条件下各主体的策略选择和行为冲突。结果: 医疗机构能够显著影响患者的就医选择;DIP支付下医疗机构有采取冲量策略的动机和意愿;医保机构有力监管可以降低医疗机构不合理冲量行为发生概率。结论: 通过建立信息披露机制、落实医联体与分级诊疗制度、完善医保监管机制来形成三方博弈的良性互动,实现医保基金的持续健康运行。
Abstract
Objective: The paper explores the causes and potential risks of excessive expansion of hospital service volume under the DIP reform, to provide references for optimizing the medical insurance payment system reform. Methods: Based on the stakeholder theory, a game model among medical institutions, medical insurance institutions, and patients under the DIP payment method was constructed. The equilibrium solutions were calculated to reveal the strategy choices and behavioral conflicts of each subject under different constraints. Results: Medical institutions can significantly influence patients' medical choices. medical institutions have the motivation and willingness to adopt excessive expansion of service volume strategies under the DIP payment method, and strict supervision by medical insurance institutions can reduce the probability of unreasonable excessive expansion of service volume. Conclusion: By establishing an information disclosure mechanism, implementing the medical alliance and hierarchical medical treatment system, and improving the medical insurance supervision mechanism, a positive interaction among the three parties in the game can be formed to ensure the sustainable and healthy operation of medical insurance funds.
关键词
DIP /
冲量行为 /
利益相关者 /
博弈
Key words
DIP /
excessive expansion of service volume /
stakeholder /
game
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基金
公立医院科研联合基金科技项目“基于按DIP付费的病种成本精细化管理实践研究——以M医院为例”(2023GLLH0187); 包头医学院创新团队发展计划项目“公立医院经济运营管理研究团队”(byjj-yfytd-001)