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In this paper, we review the most common specifications of discrete-time stochastic volatility (SV) models and … indices and foreign exchange rates. -- Stochastic volatility ; Markov chain Monte Carlo ; Metropolis-Hastings algorithm Jump …
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This paper examines continuous-time models for the S&P 100 index and its constituents. We find that the jump process of the typical stock looks significantly different than that of the index. Most importantly, the average size of a jumps in the returns of the typical stock is positive, while it...
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This paper generalizes the basic Wishart multivariate stochastic volatility model of Philipov and Glickman (2006) and … process. The model allows for state-dependent (co)variance and correlation levels and state-dependent volatility spillover …-sample fit and the VaR forecasting performance relative to the basic model. -- Multivariate stochastic volatility ; Dynamic …
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This paper examines continuous-time models for the price and volatility processes of individual stocks and the S … diffusive volatility innovations we find that the first principal component is highly correlated with index variance innovations …
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