Showing 1 - 10 of 1,100
One of the most widely-used multivariate conditional volatility models is the dynamic conditional correlation (or DCC … rather than a dynamic conditional correlation model; (ii) provides the motivation, which is presently missing, for … standardization of the conditional covariance model to obtain the conditional correlation model; and (iii) shows that the appropriate …
Persistent link: https://www.econbiz.de/10010374571
We introduce a new fractionally integrated model for covariance matrix dynamics based on the long-memory behavior of daily realized covariance matrix kernels and daily return observations. We account for fat tails in both types of data by appropriate distributional assumptions. The covariance...
Persistent link: https://www.econbiz.de/10011531139
We describe stationarity and ergodicity (SE) regions for a recently proposed class of score driven dynamic correlation … by reparameterizing the model or by rescaling the score steps in the transition equation for the correlation parameter …
Persistent link: https://www.econbiz.de/10013063455
The article is devoted to the nonparametric estimation of the quadratic covariation of non-synchronously observed Itô processes in an additive microstructure noise model. In a high-frequency setting, we aim at establishing an asymptotic distribution theory for a generalized multiscale estimator...
Persistent link: https://www.econbiz.de/10009151649
This paper analyzes a term structure model that allows for both stochastic correlation between underlying factors and …
Persistent link: https://www.econbiz.de/10012982272
We introduce a new, easily scalable model for dynamic conditional correlation matrices based on a recursion of dynamic … bivariate partial correlation models. By exploiting the model's recursive structure and the theory of perturbed stochastic …
Persistent link: https://www.econbiz.de/10013375366
The article is devoted to the nonparametric estimation of the quadratic covariation of non-synchronously observed Itô processes in an additive microstructure noise model. In a high-frequency setting, we aim at establishing an asymptotic distribution theory for a generalized multiscale estimator...
Persistent link: https://www.econbiz.de/10010281599
Persistent link: https://www.econbiz.de/10009314955
In this article we consider the efficient estimation of the tail distribution of the maximum of correlated normal random variables. We show that the currently recommended Monte Carlo estimator has difficulties in quantifying its precision, because its sample variance estimator is an inefficient...
Persistent link: https://www.econbiz.de/10011431354
production in different countries is deemed as one of the factors of the price spike in 2007/08, the contribution of correlation … of yield shocks to price volatility is measured. This paper shows that correlation effects account for a significant …
Persistent link: https://www.econbiz.de/10009683293