Nonlinear Filtering for Stochastic Volatility Models with Heavy Tails and Leverage

Adam Clements and Scott White
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Scott White: School of Economics and Finance, Queensland University of Technology

No 192, School of Economics and Finance Discussion Papers and Working Papers Series from School of Economics and Finance, Queensland University of Technology

Abstract: This paper develops a computationally efficient filtering based procedure for the estimation of the heavy tailed SV model with leverage. While there are many accepted techniques for the estimation of standard SV models, incorporating these effects into an SV framework is difficult. Simulation evidence provided in this paper indicates that the proposed procedure outperforms competing approaches in terms of the accuracy of parameter estimation. In an empirical setting, it is shown how the individual effects of heavy tails and leverage can be isolated using standard likelihood ratio tests.

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Date: 2005-06-15
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