V2EX asymmetric information

Asymmetric Information

定义 Definition

非对称信息:指交易或互动中的一方掌握的信息比另一方更多或更准确,从而可能影响决策与结果(常见于经济学中的市场交易、保险、借贷与劳动力市场等)。也常引申为“信息不对等”。(相关概念还包括逆向选择与道德风险。)

发音 Pronunciation (IPA)

/esmtrk nfrmen/

例句 Examples

The used-car buyer faced asymmetric information about the car’s condition.
二手车买家在车况方面面临信息不对称。

In insurance markets, asymmetric information can lead to higher premiums because insurers can’t perfectly observe individual risk.
在保险市场中,信息不对称可能导致保费上升,因为保险公司无法完全观察到个人风险水平。

词源 Etymology

asymmetric 来自希腊语 asymmetria(不对称),其中 a- 表示“无/不”,symmetric 与“对称”相关;information 源自拉丁语 informare(塑造、告知)。合在一起就表示“信息分布不对称/不均衡”的状态,后来在现代经济学与博弈论中成为核心术语之一

相关词 Related Words

文学与著作中的用例 Notable Works

  • George A. Akerlof, “The Market for ‘Lemons’: Quality Uncertainty and the Market Mechanism”(1970)
  • Michael Spence, “Job Market Signaling”(1973)
  • Joseph E. Stiglitz, “Information and Economic Analysis”(论文/讲义体系中常见主题)
  • Hal R. Varian, **Intermediate Microeconomics**(教材中系统讨论信息不对称相关模型)
  • Jean Tirole, **The Theory of Industrial Organization**(涉及信息问题与激励机制的经典分析)
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