V2EX capital asset pricing model

Capital Asset Pricing Model

Definition 定义

资本资产定价模型(CAPM):金融学中用于估计资产(如股票)预期收益率的模型,核心思想是:资产的回报主要由其对“市场整体风险”的敏感度(β,贝塔系数)决定。常见形式为:
\( E(R_i)=R_f+\beta_i\,(E(R_m)-R_f) \)
其中 \(R_f\) 为无风险利率,\(E(R_m)-R_f\) 为市场风险溢价。也常用于评估资本成本(如股权资本成本)。

Pronunciation 发音(IPA)

/kptl st pras mdl/

Examples 例句

CAPM is used to estimate the expected return of a stock.
CAPM 用于估计一只股票的预期收益率。

Using CAPM, the analyst combined the risk-free rate, the stock’s beta, and the market risk premium to calculate the required return.
分析师使用 CAPM,将无风险利率、该股票的贝塔系数与市场风险溢价结合起来,计算所需回报率。

Etymology 词源

该术语由四部分构成:capital(资本)+ asset(资产)+ pricing(定价)+ model(模型),直译即“资本资产定价模型。CAPM 的理论框架在20世纪60年代由学者系统化提出并推广,常与 William F. Sharpe、John Lintner、Jan Mossin 的研究相关,后来成为现代金融学的基础模型之一。

Related Words 相关词汇

Notable Works 文学/经典著作中的出现

  • William F. Sharpe (1964), “Capital Asset Prices: A Theory of Market Equilibrium under Conditions of Risk”(提出并奠基 CAPM 思想)
  • John Lintner (1965), “The Valuation of Risk Assets and the Selection of Risky Investments in Stock Portfolios and Capital Budgets”
  • Jan Mossin (1966), “Equilibrium in a Capital Asset Market”
  • Bodie, Kane & Marcus, Investments(投资学经典教材,系统讲解 CAPM)
  • Brealey, Myers & Allen, Principles of Corporate Finance(公司金融经典教材,用 CAPM 讨论资本成本与贴现率)
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