V2EX opportunity cost

Opportunity Cost

Definition / 定义

机会成本:在做出某个选择时,为了得到当前选项而放弃的“最好替代方案”的价值(通常以金钱、时间、收益或效用来衡量)。在经济学中,这是衡量选择代价的核心概念;在日常生活中也常用于描述“选了A就失去B”的隐性成本。

Pronunciation / 发音

/prtunti kst/

Examples / 例句

I chose to study tonight, so my opportunity cost was going out with friends.
我今晚选择学习,所以我的机会成本是和朋友出去玩的时间与体验。

For the company, investing in new machines has an opportunity cost: the money could have been used for marketing or hiring more staff.
对公司来说,投资新机器有机会成本:这笔钱本可以用于市场推广或雇用更多员工。

Etymology / 词源

Opportunity”来自拉丁语 opportunus,原意与“顺风、合时机、有利的时机”相关;“cost”来自古法语 coste/cost,意为“代价、花费”。作为经济学术语,“机会成本”概念常与奥地利经济学家弗里德里希冯维塞尔(Friedrich von Wieser,19世纪末)相关,用来强调:真正的本不仅是账面支出,还包括放弃的最佳替代收益。

Related Words / 相关词

Literary Works / 文学作品

  • N. Gregory Mankiw,《Principles of Economics(经济学原理)》:以大量日常例子解释机会成本与理性选择。
  • Paul A. Samuelson & William D. Nordhaus,《Economics(经济学)》:在“选择与稀缺”框架下系统讨论机会成本。
  • Friedrich von Wieser,《Natural Value(自然价值)》:早期阐述与机会成本相关的替代与价值思想(常被视为该概念的重要源头之一)。
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