V2EX joint demand

Joint Demand

定义 Definition

联合需求;共同需求:指两种或多种商品/要素由于互补关系而被同时需要的需求。某一项的需求往往来自对另一项的需求(例如汽车与汽油、打印机与墨盒)。在经济学语境中,它常用于解释互补品需求联动、派生需求等现象。(该词组在不同领域也可能有更宽泛的“共同提出的需求”含义,但最常见用法是经济学中的互补品需求。)

发音 Pronunciation (IPA)

/dnt dmnd/

例句 Examples

The joint demand for printers and ink cartridges remains strong.
打印机和墨盒的联合需求依然强劲。

When fuel prices rise sharply, joint demand can shift as consumers reduce car travel and buy less gasoline, affecting related markets.
当燃油价格大幅上涨时,联合需求可能发生变化:消费者减少开车出行、购买更少汽油,从而影响相关市场。

词源 Etymology

joint 来自拉丁语 iungere(连接、结合),经古法语进入英语,含“共同的、联合的”。demand 来自古法语 demander(要求、请求),进一步可追溯到拉丁语 demandare(委托、要求)。合在一起,joint demand 字面义为“共同的需求”,在经济学中特指“因互补而同时发生的需求”。

相关词 Related Wods

文学与著作 Literary Works

  • Principles of Economics(Alfred Marshall):在讨论需求与价格关系、互补性(complements)时常涉及“联合需求/互补品需求”的概念。
  • Intermediate Microeconomics(Hal R. Varian):在讲解偏好、互补品与需求联动时会使用或紧密关联该术语。
  • Microeconomics(Robert S. Pindyck & Daniel L. Rubinfeld):在需求分析与交叉价格弹性等章节中常出现与“joint demand”对应的表述与用法。
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