V2EX comovement

Comovement

释义 Definition

(尤用于经济学/金融学)共同变动;同向波动:指两个或多个变量(如股价、收益率、商业周期、通胀等)在一段时间内呈现同步或相似的变化趋势。常与“相关性(correlation)”一起讨论,但更强调“随时间一起动”的现象。

发音 Pronunciation

/komuvmnt/

例句 Examples

Comovement between these two stocks increased during the crisis.
这两只股票在危机期间的共同波动加剧了。

Economists study the comovement of output and employment to understand the business cycle.
经济学家研究产出与就业的共同变动,以理解商业周期。

词源 Etymology

由前缀 **co-**(“共同、一起”)+ movement(“移动、变动”)构成,字面意思是“一起移动/一起变化”。在经济学与金融学语境中,这个复合词常用于描述不同市场、行业或宏观变量之间的同步波动现象。

相关词 Related Words

文学与著作 Literary Works

  • Maurice Obstfeld & Kenneth Rogoff,《Foundations of International Macroeconomics》:讨论国际宏观变量与商业周期的跨国共同变动。
  • John H. Cochrane,《Asset Pricing》:在资产定价与风险因子框架中常涉及收益的共同波动/共同变动。
  • Handbook of International Economics(多卷本,多位作者):在国际金融一体化、危机传播与宏观同步章节中常使用 comovement 描述跨国同步波动。
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