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    Dynamic Inconsistency

    释义 Definition

    动态不一致(dynamic inconsistency):指一个人在不同时间点做出的计划与后来实际选择相互矛盾;当决策时刻临近时,偏好发生系统性变化,导致“当初觉得会做的事,临到头又改主意”。该概念常用于行为经济学、公共政策与自我控制讨论中。(相关概念还包括 time inconsistency 等。)

    发音 Pronunciation (IPA)

    /daɪˈnæmɪk ˌɪnkənˈsɪstənsi/

    例句 Examples

    I know this is dynamic inconsistency: I plan to study, but I scroll my phone instead.
    我知道这就是动态不一致:我计划学习,但最后却刷起了手机。

    In public policy, dynamic inconsistency can arise when governments promise low inflation in the long run but have incentives to stimulate the economy later.
    在公共政策中,动态不一致可能表现为:政府长期承诺低通胀,但之后又因短期刺激经济的诱因而改变行为。

    词源 Etymology

    dynamic 源自希腊语 dynamikos(“有力量的、有关动力的”),强调“随时间演变的过程”。inconsistency 来自拉丁语前缀 *in-*(“不”)+ 与 consistentia 相关的词根(“一致、连贯”)。合起来表示:在时间推进的决策过程中出现前后不一致

    相关词 Related Words

    文学与重要著作 Literary Works & Notable Texts

    • “Myopia and Inconsistency in Dynamic Utility Maximization”(Strotz,1955)
    • “Specious Reward: A Behavioral Theory of Impulsiveness and Impulse Control”(Ainslie,1975)
    • “Golden Eggs and Hyperbolic Discounting”(Laibson,1997)
    • “Doing It Now or Later”(O’Donoghue & Rabin,1999)
    • Thinking, Fast and Slow(Kahneman,2011,书中讨论了与时间偏好变化/自控相关的现象,常与该概念并读)
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