V2EX present bias

Present Bias

定义 Definition

现时偏好/当下偏误(present bias):一种行为经济学与心理学现象,指人们在做决策时过度重视眼前的即时收益或舒适,而低估未来的长期成本与收益,因此容易拖延、冲动消费或难以坚持长期计划。(也常被视为“时间不一致偏好”的一种表现。)

发音 Pronunciation (IPA)

/prznt bas/

例句 Examples

I know saving is important, but my present bias makes me spend money now.
我知道储蓄很重要,但我的现时偏好让我更想把钱花在当下。

Present bias can lead people to delay preventive health actions, even when the long-term benefits are clear.
即使长期好处很明确,现时偏好也可能让人推迟预防性的健康行为。

词源 Etymology

present 意为“当前的/现在的”,源自拉丁语 praesens(“在场的、当下的”);bias 意为“偏见/偏向”,来自法语 biais(“斜向、倾向”)。组合成 present bias,字面即“对当下的偏向”,用来概括人类在跨时间选择中偏爱即时回报的倾向。

相关词 Related Words

文学与名著用例 Literary Works

  • Nudge: Improving Decisions About Health, Wealth, and Happiness(Richard H. Thaler & Cass R. Sunstein)
  • Thinking, Fast and Slow(Daniel Kahneman)
  • Predictably Irrational(Dan Ariely)
  • “Golden Eggs and Hyperbolic Discounting”(David Laibson,学术论文;讨论与 present bias 密切相关的“超曲线贴现”)
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