Multi-regime nonlinear capital asset pricing models

Cathy W. S. Chen (), Richard H. Gerlach and Ann M. H. Lin

Quantitative Finance, 2011, vol. 11, issue 9, 1421-1438

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.

Date: 2011
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DOI: 10.1080/14697680902968013

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