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allowing the conditional variance of a particular market to depend on past volatility shocks in other markets. The inter …. Extending the model to incorporate leverage effects leads to further improvement in the volatility fit. We compare weight …
Persistent link: https://www.econbiz.de/10013097898
It has been established in the literature that volatility of stock returns exhibits complex properties of not only … volatility clustering, but also long memory, regime change, and substantial outliers during turbulent and calm periods. Hence …, this paper seeks to analyze volatility spillover, co-movements, independence and contagion in the Chinese, Japanese …
Persistent link: https://www.econbiz.de/10013348418
characterized by volatility clustering and asymmetry. Also revealed as a stylized fact is Long memory or long range dependence in … market volatility, with significant impact on pricing and forecasting of market volatility. The implication is that models … that accomodate long memory hold the promise of improved long-run volatility forecast as well as accurate pricing of long …
Persistent link: https://www.econbiz.de/10003636008
We introduce a high-dimensional structural time series model, where co-movement between the components is due to common factors. A two-step estimation strategy is presented, which is based on principal components in differences in a first step and state space methods in a second step. The...
Persistent link: https://www.econbiz.de/10011309972
forecasting horizons. Therefore, a long memory volatility model compared to a short memory GARCH model does not appear to improve …
Persistent link: https://www.econbiz.de/10012910119
)variances of the Dow Jones and the German stock index DAX, we analyze intra-daily volatility spillovers between the US and German …-synchronous and partially overlapping opening hours of the two markets. We find evidence of significant short-term volatility … ('meteor-shower effects').Furthermore, we find that during the subprime crisis the general persistence of short-term volatility …
Persistent link: https://www.econbiz.de/10013106045
domestic volatility after good shocks but a bad hedge after crashes …
Persistent link: https://www.econbiz.de/10003394353
The use of GARCH models with stable Paretian innovations in financial modeling has been recently suggested in the literature. This class of processes is attractive because it allows for conditional skewness and leptokurtosis of financial returns without ruling out normality. This contribution...
Persistent link: https://www.econbiz.de/10009765347
Density forecasts have become quite important in economics and finance. For example, such forecasts play a central role in modern financial risk management techniques like Value at Risk. This paper suggests a regression based density forecast evaluation framework as a simple alternative to other...
Persistent link: https://www.econbiz.de/10011431370
Alternative strategies for predicting stock market volatility are examined. In out-of-sample forecasting experiments … implied-volatility information, derived from contemporaneously observed option prices or history-based volatility predictors …, such as GARCH models, are investigated, to determine if they are more appropriate for predicting future return volatility …
Persistent link: https://www.econbiz.de/10009767118