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Informationskriterien und Volatility Clustering

Authors: Jacobi, Frank;

Informationskriterien und Volatility Clustering

Abstract

Ein wichtiges Problem in der statistischen Analyse ist die Auswahl eines passenden Mo-dells. Im Kontext linearer ARIMA-Modelle kann gezeigt werden, dass - die Gültigkeit bestimmter Regularitätsbedingungen vorausgesetzt - die Minimierung des Schwarz-Kriteriums zu einer konsistenten Wahl der Anzahl der Parameter in einem Modell führt, wohingegen die Schätzung der Parameterzahl mit Hilfe des Akaike-Kriteriums tendenziell zu große Modelle liefert. Ziel dieser Analyse ist es, mit Hilfe von Monte-Carlo-Experimenten die Eigenschaften des Akaike- und des Schwarz-Informationskriteriums zu untersuchen, wenn der datengenerierende Prozess GARCH-Störungen aufweist.

An important problem in statistical practise is the selection of a suitable statistical model. In the context of linear ARIMA-models it can be shown that - the validity of certain regu-larity conditions presupposed - the minimization from Black-criterion leads to a consistent choice of the parameters in a model whereas the estimation of the parameter number with the Akaike-criterion tendentious leads to too large models. Goal of this analysis is to examine with Monte Carlo experiments the characteristics of the Akaike- and of the Black-criterion if the data generating process exhibits GARCH-effects.

Keywords

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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