V2EX dynamic inconsistency

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)

/danmk nknsstnsi/

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 consistenia 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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