Longevity bias in cost‐effectiveness analysis
通过一个简单的终身效用最大化模型，研究发现医疗成本效益分析（CEA）存在长寿偏见，即在延长寿命和改善健康之间分配资源时，CEA倾向于给延长寿命更大的份额，而偏离福利最大化的要求。
We use a simple lifetime utility maximization model to study the problem of medical resource allocation. This model leads to a welfare specification with a QALY (quality-adjusted life-year) component that captures an individual's preferences over both life expectancy and health status. The goal of medical cost-effectiveness analysis (CEA) is characterized as maximizing the QALY measure for a given total medical expenditure. We show that the CEA with such a goal has a longevity bias: the CEA-based division of a given total medical expenditure between extending life and improving health gives the former a larger share than is called for by welfare maximization.