V2EX externality

Externality

定义 Definition

n. 经济活动对未直接参与交易的第三方造成的影响,常见于“负外部性”和“正外部性”。

发音 Pronunciation

/ek.stnl..ti/
/ek.stnl..ti/

例句 Examples

Pollution is a common externality.
污染是一种常见的外部性。

When a company ignores the environmental costs of production, society may have to pay for the externality through poorer health and damaged ecosystems.
当一家公司忽视生产带来的环境成本时,社会可能要通过健康恶化和生态系统受损来承担这种外部性。

词源 Etymology

external 加名词后缀 -ity 构成,表示“外部的性质或状态”。external 源自拉丁语 externus,意思是“外面的、外来的”。在经济学中,该词用来描述交易之外的人或环境所承受的影响。

相关词 Related Words

文学作品用例 Literary Usage

  • 在 Ronald Coase 的 The Problem of Social Cost 中,该概念用于讨论社会成本、产权和市场协调问题。
  • 在 Steven D. Levitt 与 Stephen J. Dubner 的 Freakonomics 中,类似概念常用于解释个人行为如何影响更大的社会结果。
  • 在 Milton Friedman 的 Capitalism and Freedom 中,该概念与市场失灵、政府干预和公共政策讨论相关。
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