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Bayesian Testing for Asset Volatility Persistence on Multivariate Stochastic Volatility Models

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DOI: 10.4236/jmf.2012.21010    4,869 Downloads   8,522 Views   Citations

ABSTRACT

In empirical finance, it is well-known that the volatility of asset returns is highly persistent. The persistence of the volatility process may be checked by testing for a unit root on stochastic volatility models. In this paper, a Bayesian test statistic based on decision theory is developed for testing a unit root on multivariate stochastic volatility models. At last, the developed approach is applied to investigate the persistent effect of financial crisis on the two main stock markets in China.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Y. Li, F. Peng and H. Xu, "Bayesian Testing for Asset Volatility Persistence on Multivariate Stochastic Volatility Models," Journal of Mathematical Finance, Vol. 2 No. 1, 2012, pp. 83-89. doi: 10.4236/jmf.2012.21010.

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