Information Frictions and Adverse Selection: Policy Interventions in Health Insurance Markets

A large literature has analyzed pricing inefficiencies in health insurance markets due to adverse selection, typically assuming informed, active consumers on the demand side of the market. However, recent evidence suggests that many consumers have information frictions that lead to suboptimal health

大量文献分析了健康保险市场中因逆向选择（adverse selection）导致的定价无效率问题，这类研究通常假设市场需求侧的消费者具备充分信息且主动参与决策。然而，近期证据表明，许多消费者面临信息摩擦（information frictions），这导致其健康状况处于次优水平。