提出高阶责任度判定方法，解决群体决策中的责任空白问题
Higher-Order Responsibility
- 用高阶责任度d建模群体责任，避免责任真空
- 证明d阶责任判定问题是Π₂ₔ₊₁-完全问题
- 为伦理学中的责任分配提供形式化工具，适合理论伦理研究者
在伦理学中，个体责任通常依据弗兰克福的可选择性原则定义。但在群体决策情境下，该定义常导致无责任主体出现‘责任空白’。现有解决方案包括集体责任或最近提出的‘高阶责任’。本文研究高阶责任至程度d是否足以填补责任空白，主要技术成果是：该判定问题属于Π₂ₔ₊₁-完全类。
原文摘要 · Abstract (English)
In ethics, individual responsibility is often defined through Frankfurt's principle of alternative possibilities. This definition is not adequate in a group decision-making setting because it often results in the lack of a responsible party or "responsibility gap''. One of the existing approaches to address this problem is to consider group responsibility. Another, recently proposed, approach is "higher-order'' responsibility. The paper considers the problem of deciding if higher-order responsibility up to degree $d$ is enough to close the responsibility gap. The main technical result is that this problem is $Π_{2d+1}$-complete.
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