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Paretian density. Estimation issues related to problems associated with mixture models are discussed, and a new, general …
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The estimation of multivariate GARCH models remains a challenging task, even in modern computer environments. This … of the time otherwise required. The proposed method is a two-step procedure, separating the estimation of the correlation …
Persistent link: https://www.econbiz.de/10003961455
The paper advances the log-generalized gamma distribution as a suitable generator of conditional skewness. Based on the NYSE composite daily returns an asMA-asQGARCH model along with skewness dynamics is estimated. The results indicate a skewness that varies between sizeable negative skewness...
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Regular or automated processes require reliable software applications that provide accurate volatility and Value-at-Risk forecasts. The univariate and multivariate GARCH models proposed in the literature are reviewed and the suitability of selected R functions for automated forecasting systems...
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