V2EX supply and demand

Supply and Demand

释义 Definition

供给与需求:经济学中的基本概念与模型,用来描述市场上商品/服务的供给量(supply)消费者愿意并能够购买的需求量(demand)如何共同决定价格与成交数量。供给通常随价格上升而增加,需求通常随价格上升而减少。(也常指“市场规律/供需关系”。)

发音 Pronunciation (IPA)

/spla nd dmnd/

例句 Examples

The price went up because supply and demand changed.
价格上涨了,因为供给与需求发生了变化。

In a competitive market, supply and demand interact to set prices, and even small shocks can ripple through the entire system.
在竞争性市场中,供给与需求相互作用来决定价格,即使很小的冲击也可能在整个系统中引发连锁反应。

词源 Etymology

supply 来自中古英语,源头可追溯到古法语 supleer/suppleer(“补足、提供”),更早与拉丁语 supplere(“填满、补充”)相关;demand 来自古法语 demander(“要求、请求”),与拉丁语 demandare(“委托、要求”)相关。作为固定搭配(尤其在经济学语境中),“supply and demand”用于概括市场中“供给方与需求方”的动关系。

相关词 Related Words

文学作品中的用例 Literary Works

  • Adam Smith The Wealth of Nations(《国富论》):讨论市场价格与“供给/需求”力量如何影响资源配置与价格形成(不同版本措辞可能不完全一致,但核心概念贯穿全书)。
  • Alfred Marshall Principles of Economics(《经济学原理》):系统化阐述供给与需求分析框架,强调二者共同决定均衡价格与数量。
  • John Maynard Keynes The General Theory of Employment, Interest and Money(《就业、利息和货币通论》):在宏观层面讨论总需求、总供给等概念对就业与产出的影响。
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