V2EX elasticity

Elasticity

释义 Definition

elasticity /lststi/:弹性;伸缩性;也常指(经济学)弹性(如需求弹性、价格弹性),表示一个变量对另一个变量变化的敏感程度。

发音 Pronunciation (IPA)

/lststi/

例句 Examples

Rubber has high elasticity.
橡胶的弹性很高。

The elasticity of demand helps economists predict how sales will change when prices rise.
需求弹性帮助经济学家预测当价格上升时销量会如何变化。

词源 Etymology

来自 elastic(有弹性的)+ 名词后缀 -ity(表示性质、状态)。elastic 源自希腊语词根,含“可拉伸、可回弹”的意思;后来引申到经济学中,用来描述“对变化的反应程度”。

相关词 Related Words

文学作品 Literary Works

  • Alfred Marshall, Principles of Economics(《经济学原理》):以“弹性”作为分析价格与需求关系的重要概念。
  • Paul A. Samuelson & William D. Nordhaus, Economics(《经济学》):系统讲解需求弹性、供给弹性等经典内容。
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