V2EX marginal product

Marginal Product

定义 Definition

边际产品(边际产量):在其他投入不变的情况下,某一种投入要素(如劳动、资本)增加一单位所带来的产出增加量。常写作 MP(如 MPL、MPK)。该术语在微观经济学与生产理论中最常见;在现实中可能随投入增加而递减(边际报酬递减)。

发音 Pronunciation (IPA)

/mrdnl prdkt/

例句 Examples

If the marginal product of labor is high, hiring one more worker increases output a lot.
如果劳动的边际产品很高,那么再雇一个工人会让产出增加很多。

In competitive markets, firms often hire labor until the wage equals the value of the marginal product, assuming other inputs and technology are given.
在竞争市场中,在其他投入与技术既定的情况下,企业通常会雇佣劳动直到工资等于边际产品价值。

词源 Etymology

marginal 源自拉丁语 margo(“边缘、界限”),在经济学里引申为“在边缘上再增加一点”的意思,即“增量/追加一单位所带来的变化”。product 来自拉丁语 producere(“生产、引出”)。合起来 marginal product 就是“新增一单位投所带来的新增产出”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Paul A. Samuelson & William D. Nordhaus,《Economics》:在生产与要素市场章节中讨论边际产品与要素需求。
  • N. Gregory Mankiw,《Principles of Economics》:用边际产品解释劳动需求与工资的决定。
  • Hal R. Varian,《Intermediate Microeconomics》:在生产理论部分系统使用“marginal product”分析最优投入选择。
  • Alfred Marshall,《Principles of Economics》:在早期经济学框架中讨论生产要素的边际贡献与分配思想。
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