V2EX marginal cost

Marginal Cost

释义 Definition

边际成本:在其他条件不变时,每多生产(或多提供)一单位产品/服务所增加的总成本。常用于经济学与管理会计中,用来判断扩大产量是否划算。(也可在更广义语境中指“增加一点点所带来的额外代价”。)

发音 Pronunciation

/mrdnl kst/

例句 Examples

Producing one more unit has a marginal cost of $5.
多生产一件产品的边际成本是5美元。

When demand rises, the firm will expand output only if the marginal cost stays below the marginal revenue.
当需求上升时,企业只有在边际成本低于边际收益的情况下才会扩大产量。

词源 Etymology

marginal 来自拉丁语 margo(“边缘、边界”),引申为“在边缘上的、额外增加的一点点”;cost 源自拉丁语 constare(“花费、付出代价”)。合起来 marginal cost 就是“增加一点点产量所带来的额外成本”。

相关词 Related Words

文学与作品 Literary Works

  • Principles of Economics(Alfred Marshall):系统讨论“边际”概念,并在成本与价格分析中使用相关术语。
  • Economics(Paul A. Samuelson & William D. Nordhaus):以教材形式频繁出现 marginal cost,用于解释企业供给与市场均衡。
  • The Wealth of Nations(Adam Smith):虽多用更早期的成本表述,但在成本与生产讨论中可见与边际分析相近的思想脉络。
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