Modeling Stochastic Volatility with Application to Stock Returns:

A stochastic volatility model where volatility was driven solely by a latent variable called news was estimated for three stock indices. A Markov chain Monte Carlo algorithm was used for estimating Bayesian parameters and filtering volatilities. Volatility persistence being close to one was consiste...

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Bibliographic Details
Main Author: Krichene, Noureddine (Author)
Format: Electronic eBook
Language:English
Published: Washington, D.C International Monetary Fund 2003
Series:IMF Working Papers Working Paper No. 03/125
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Summary:A stochastic volatility model where volatility was driven solely by a latent variable called news was estimated for three stock indices. A Markov chain Monte Carlo algorithm was used for estimating Bayesian parameters and filtering volatilities. Volatility persistence being close to one was consistent with both volatility clustering and mean reversion. Filtering showed highly volatile markets, reflecting frequent pertinent news. Diagnostics showed no model failure, although specification improvements were always possible. The model corroborated stylized findings in volatility modeling and has potential value for market participants in asset pricing and risk management, as well as for policymakers in the design of macroeconomic policies conducive to less volatile financial markets
Physical Description:1 Online-Ressource (27 p)
ISBN:1451854846
9781451854848

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