V2EX partial equilibrium

Partial Equilibrium

Definition / 释义

局部均衡:经济学中的一种分析方法,指在其他条件不变(忽略或暂不考虑与该市场相关的其他市场联动)的前提下,只研究某一个市场或某一部门中供给与需求如何达到均衡,以及政策或冲击对该市场价格与数量的影响。常用于微观经济学与公共政策分析。(也常与“一般均衡”相对。)

Pronunciation / 发音(IPA)

/prl ikwlbrim/

Examples / 例句

A partial equilibrium model looks at one market at a time.
局部均衡模型一次只分析一个市场。

Using partial equilibrium analysis, we can estimate how a tax on sugar affects the price and quantity of soda, holding other markets constant.
用局部均衡分析,我们可以在其他市场保持不变的假设下,估算糖税如何影响汽水的价格与销量。

Etymology / 词源

partial 源自拉丁语 partialis(“部分的”),强调“只取整体中的一部分来考察”;equilibrium 源自拉丁语 aequilibriumaequi- “相等” + libra “秤/天平”),本义为“天平平”。合起来表示“在局部范围内达到的平衡”,即不把整个经济系统的所有市场联动都纳入模型。

Related Words / 相关词

In Literature / 文学与经典著作中的出现

  • Alfred Marshall,《Principles of Economics》(《经济学原理》):以局部市场分析为核心传统之一,奠定“局部均衡”分析框架。
  • Hal R. Varian,《Intermediate Microeconomics》(《微观经济学:现代观点》):用局部均衡讲解供需、税收、价格管制等政策效果。
  • Mas-Colell, Whinston & Green,《Microeconomic Theory》(《微观经济理论》):在更严格的理论体系中对比局部均衡与一般均衡的关系与适用范围。
  • Paul Krugman & Robin Wells,《Microeconomics》(《微观经济学》):以直观图形与案例使用局部均衡分析市场与政策冲击。
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