V2EX hyperbolic discounting

Hyperbolic Discounting

释义 Definition

双曲线折现(双曲贴现):行为经济学与心理学中的概念,指人们对“延迟获得的回报”的价值下降并非按固定比例递减(不像指数折现),而是短期内折价特别快、越往后折价越慢。因此人们更容易偏好“立刻的小收益”而不是“稍后更大的收益”(也常与拖延、冲动消费相关)。

发音 Pronunciation (IPA)

/haprblk dskant/
/haprblk dskant/

例句 Examples

I struggle with hyperbolic discounting when I choose fast food over cooking.
当我选择吃快餐而不是自己做饭时,我就在受“双曲线折现”的影响。

Hyperbolic discounting helps explain why people may plan to save money but later spend it when immediate temptations feel stronger than distant goals.
“双曲线折现”能解释:为什么人们明明计划存钱,却在面对眼前诱惑时更容易花掉,因为即时满足比遥远目标更有吸引力。

词源 Etymology

hyperbolic 源自数学中的 hyperbola(双曲线),表示“像双曲线那样的”;discounting 来自经济学的“折现/贴现”,指把未来收益换算为今天的价值。合在一起,强调这种对未来价值的折扣”在时间上呈双曲线式变化:越接近现在,价值下降越陡。

相关词 Related Words

文学与著作中的用例 Literary Works

  • George Ainslie, Breakdown of Will(讨论成瘾与意志失效时使用双曲贴现框架)
  • David Laibson, “Golden Eggs and Hyperbolic Discounting” (Quarterly Journal of Economics, 1997)
  • Shane Frederick, George Loewenstein & Ted O’Donoghue, “Time Discounting and Time Preference: A Critical Review” (Journal of Economic Literature, 2002)
  • Richard H. Thaler, “Some Empirical Evidence on Dynamic Inconsistency” (Economics Letters, 1981)(与该概念密切相关的早期经典研究)
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