多机制非线性资本资产定价模型

Multi-regime nonlinear capital asset pricing models

Quantitative Finance · 2009
被引 24
ABS 3

中文导读

提出一个多机制阈值广义自回归条件异方差资本资产定价模型,通过市场信息驱动的机制离散变化捕捉市场贝塔的非对称风险,并验证了市场风险随市场变化的时变性及其在不同资产间的差异,对投资决策优化有参考价值。

Abstract

A multiple-regime threshold generalized autoregressive conditionally heteroskedastic capital asset pricing model is introduced. The model captures asymmetric risk through allowing market beta to change discretely between regimes that are driven by market information. Asymmetric volatility and mean equation dynamics are also captured. We confirm the time-varying nature of market risk, in response to changes in the market, and that this discrete time variation can differ across assets. These findings could have important implications for optimizing investment decisions: e.g. in risk assessment, portfolio selection and hedging decisions.

金融经济学资产定价波动率建模投资组合