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We propose a new approach to the definition of stress scenarios for volatilities and correlations. Correlations and volatilities depend on a common market factor, which is the key to stressing them in a consistent and intuitive way. Our approach is based on a new asset price model where...
Persistent link: https://www.econbiz.de/10011042126
perspective on the behavior of stock markets, and provides an alternative to the concept of exceedance correlation. For a US …
Persistent link: https://www.econbiz.de/10011116929
We investigate the role of jumps in transmitting volatility between foreign exchange markets (Engle, Ito, and Lin, 1990 … different implications for the impact of jumps on exchange rate volatility transmission. Specifically, isolated and successive … jumps have opposite predictions for future volatility. Although the realized volatility literature finds that heat wave …
Persistent link: https://www.econbiz.de/10010951615
stochastic volatility model, finding that the approach is efficient and effective. Applications to continuous time finance models …
Persistent link: https://www.econbiz.de/10010574072
and long memory in the volatility of the Turkish Stock Market. Furthermore, we investigate the performances in-sample and … results in capturing stylized facts in the volatility of Turkish Stock Market. Consequently, evaluating of asymmetry and long … memory property in volatility of the returns can ensure suitable Value-at-Risk (VaR) model selection for performance of risk …
Persistent link: https://www.econbiz.de/10010938176
do not support long memory behaviour for the stock market returns. However, FIGARCH model indicate that volatility of … market returns has long memory. Moreover, in order to test the feature of long memory in the return and volatility of the …. Predictable structure of volatility of Pakistan Stock Market display that this market is the weak-form market inefficiency …
Persistent link: https://www.econbiz.de/10011273115
and long memory in the volatility of the Turkish Stock Market. Furthermore, we investigate the performances in-sample and … results in capturing stylized facts in the volatility of Turkish Stock Market. Consequently, evaluating of asymmetry and long … memory property in volatility of the returns can ensure suitable Value-at-Risk (VaR) model selection for performance of risk …
Persistent link: https://www.econbiz.de/10011279195
This discussion paper led to a publication in the <I>Electronic Journal of Statistics</I> (2014). Vol. 8, pages 1088-1112.<P> We characterize the dynamic properties of Generalized Autoregressive Score (GAS) processes by identifying regions of the parameter space that imply stationarity and ergodicity. We...</p></i>
Persistent link: https://www.econbiz.de/10011256295
Novel model specifications that include a time-varying long run component in the dynamics of realized covariance matrices are proposed. The adopted modeling framework allows the secular component to enter the model structure either in an additive fashion or as a multiplicative factor, and to be...
Persistent link: https://www.econbiz.de/10011246317
The hedge fund represents a unique investment opportunity for the institutional and private investors in the diffusion-type financial systems. The main objective of this condensed article is to research the hedge fund’s optimal investment portfolio strategies selection in the global capital...
Persistent link: https://www.econbiz.de/10011260821