Showing 1 - 10 of 11
Many ways exist to measure and model financial asset volatility. In principle, as the frequency of the data increases, the quality of forecasts should improve. Yet, there is no consensus about a "true" or "best" measure of volatility. In this paper we propose to jointly consider absolute daily...
Persistent link: https://www.econbiz.de/10005812865
conditional variance of returns within the GARCH family of models, recent attention has been devoted to other variables: first …. The outcome is a novel MEM (called Composite MEM) which is reminiscent of the short- and long-run component GARCH model by …
Persistent link: https://www.econbiz.de/10009643126
Italian Abstract: Il processo di decarbonizzazione ha reso desueto il tradizionale modello di creazione di valore delle aziende che operano nel settore dell'energia elettrica (utilities energetiche – UEN) colpendo in particolare le società con un energy mix più orientato alle fonti fossili...
Persistent link: https://www.econbiz.de/10012941990
Italian Abstract: Presentiamo un modello stocastico multivariato, per sviluppare stress test finalizzati a valutare l'adeguatezza patrimoniale delle banche e il loro grado di fragilità finanziaria. L'articolo fornisce una descrizione teorica del metodo e delle caratteristiche essenziali del...
Persistent link: https://www.econbiz.de/10013004853
-daily returns may be affected by a market opening surprise bias. An extension of the standard GARCH model is suggested here to …
Persistent link: https://www.econbiz.de/10005687786
forecasts obtained with traditional GARCH-type models can be used to forecast the volatility index VXN. …
Persistent link: https://www.econbiz.de/10005549317
Persistent link: https://www.econbiz.de/10008509948
estimator for forecasting time series, with a special attention to GARCH and ACD models. The local large sample properties of …
Persistent link: https://www.econbiz.de/10005075728
baseline GARCH but not so relative to the range; there are relevant gains from modeling volatility trends and using realized …
Persistent link: https://www.econbiz.de/10005075734
The Multiplicative Error Model introduced by Engle (2002) for non-negative valued processes is specified as the product of a (conditionally autoregressive) scale factor and an innovation process with positive support. In this paper we propose a multivariate extension of such a model, by taking...
Persistent link: https://www.econbiz.de/10005731544