V2EX strategy-proof

Strategy-proof

定义 Definition

Strategy-proof(策略无关/策略真实):指一种规则、机制或投票/分配方法,使参与者如实报告自己的偏好或信息总是最优策略;也就是说,通过“撒谎”或操纵申报无法获得更好的结果。(常见于机制设计、社会选择理论与拍卖理论中。)

发音 Pronunciation (IPA)

/strtdi pruf/

例句 Examples

A strategy-proof voting rule makes it best for voters to tell the truth.
策略无关的投票规则使选民如实表达偏好成为最佳选择。

The mechanism is strategy-proof under independent private values, but it may fail when preferences are interdependent.
在独立的私人价值假设下,该机制是策略无关的,但当偏好相互依赖时可能不再成立。

词源 Etymology

strategy(策略) + proof(防…的、可抵御的) 组合而成的形容词;其中 proof 在英语里常用来表示“能够抵抗/防止某事”(如 waterproof 防水)。在经济学与政治学语境中,strategy-proof 指“能抵御策略性操纵”的机制或规则,强调“诚实申报”不会吃亏。

相关词 Related Words

文学与经典出处 Literary Works

  • Allan Gibbard (1973), Manipulation of Voting Schemes: A General Result(提出与“不可操纵/策略无关”密切相关的经典结果)
  • Mark A. Satterthwaite (1975), Strategy-proofness and Arrow’s Conditions: Existence and Correspondence Theorems for Voting Procedures and Social Welfare Functions(系统讨论 strategy-proofness 与社会选择条件)
  • Mas-Colell, Whinston, Green, Microeconomic Theory(教材中讨论激励相容与机制设计时常出现该术语)
  • Krishna, Auction Theory(拍卖与机制设计中常用 strategy-proof / truthful 相关概念)
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