V2EX excess demand

Excess Demand

释义 Definition

超额需求 / 过度需求:在某一价格水平下,需求量大于供给量的情况,通常会对价格形成上行压力,并可能导致短缺。

发音 Pronunciation

/kses dmnd/

例句 Examples

Excess demand caused empty shelves in some stores.
超额需求导致一些商店出现货架被抢空的情况。

When the government set the price too low, excess demand persisted, leading to rationing and a thriving black market.
当政府把价格定得过低时,超额需求持续存在,进而引发配给,并催生活跃的黑市交易。

词源 Etymology

excess 源自拉丁语 excedere(“超出、越过”),强调“超过正常范围”。demand 经由古法语 demander 进入英语,核心含义是“要求、需求”。合在一起,excess demand 就是“超过供给水平的需求”。

相关词 Related Words

文学与经典作品 Literary Works

  • The General Theory of Employment, Interest and Money(约翰梅纳德凯恩斯):常见于“excess demand for money / labour”等宏观经济讨论中。
  • Economics(Paul Samuelson & William Nordhaus):在供需与市场均衡章节中使用“excess demand”解释短缺与价格调整。
  • Principles of Economics(N. Gregory Mankiw):用于说明价格管制、市场出清与“shortage(短缺)”之间的关系。
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