道德风险和风险调整
1University of Groningen, EEF and FEBRI, The Netherlands.
Journal of health economics
|December 14, 2024
概括
在医疗保险中进行最佳风险调整需要仔细考虑不良选择和道德风险. 目前的做法可能是错误的,因为完全成本均等化可能会扭曲高风险消费者的激励措施.
科学领域:
- 卫生经济学 卫生经济学
- 保险市场 保险市场 保险市场
- 风险管理 风险管理
背景情况:
- 竞争激烈的医疗保险市场面临不利选择 (预期成本较高的消费者选择性注册) 和道德风险 (保险人消费更多护理) 的挑战.
- 现有的风险调整机制旨在根据登记者的特点使保险公司之间的成本相等,但在相结合的不利选择和道德风险下,它们的最佳性受到争论.
研究的目的:
- 分析医疗保险市场的最佳风险调整模型,包括不良选择和道德风险.
- 评估当前风险调整实践的影响,并探索风险调整系统中的再分配目标的影响.
主要方法:
- 医疗保险市场的经济建模.
- 在不利选择和道德风险条件下分析最佳风险调整支付.
- 进行比较的统计数据,以评估不同政策目标的影响.
主要成果:
- 在存在道德风险的情况下,最佳的风险调整支付不应该完全平衡成本,从而挑战当前的做法.
- 包含向高风险消费者重新分配的风险调整系统可以造成选择扭曲,并导致过度的护理提供.
- 保险公司的市场实力可以抵消选择扭曲,但可能与风险调整中的再分配目标相冲突.
结论:
- 医疗保险市场当前的风险调整实践可能是不理想的,因为忽视了不利选择和道德风险的相互作用.
- 在风险调整中平衡成本均等化和再分配需要仔细校准,以避免过度照顾等意外后果.
- 保险公司的市场实力影响风险调整策略的有效性,需要量身定制的监管方法.
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