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Comparison of MSACD models
(2003)
We propose a new framework for modelling time dependence in duration processes on financial markets. The well known autoregressive conditional duration (ACD) approach introduced by Engle and Russell (1998) will be extended in a way that allows the conditional expectation of the duration process to depend on an unobservable stochastic process which is modelled via a Markov chain. The Markov switching ACD model (MSACD) is a very flexible tool for description and forecasting of financial duration processes. In addition, the introduction of an unobservable, discrete valued regime variable can be justified in the light of recent market microstructure theories. In an empirical application we show that the MSACD approach is able to capture several specific characteristics of inter trade durations while alternative ACD models fail. JEL classification: C22, C25, C41, G14
We propose a new framework for modeling time dependence in duration processes. The ACD approach introduced by Engle and Russell (1998) will be extended so that the conditional expectation of the durations depends on an unobservable stochastic process which is modeled via a Markov chain. The Markov switching ACD model (MSACD) is a flexible tool for description of financial duration processes. The introduction of a latent information regime variable can be justified in the light of recent market microstructure theories. In an empirical application we show that the MSACD approach is able to capture specific characteristics of inter trade durations while alternative ACD models fail. JEL classification: C41, C22, C25, C51, G14
Internationale Verkehrsflughäfen sind Einrichtungen, die eine zentrale ökonomische Bedeutung für das regionale Umfeld haben. Zusätzlich zu ihrer eigentlichen Funktion als Anbieter von Flugverkehrsleistungen werden Güter und Dienstleistungen angeboten, die in unterschiedlich starkem Ausmaß an die Verkehrsfunktion gekoppelt sind. Neben der Flughafengesellschaft und den Flugverkehrsgesellschaften tragen beispielsweise gastronomische Einrichtungen, Groß- und Einzelhändler, Luftfrachtspeditionen, Expressdienste, Reiseveranstalter, Flugsicherung, Zoll, Catering-Unternehmen zu den ökonomischen Aktivitäten des Flughafens bei. Die Palette der verkehrsbezogenen Aktivitäten am Flughafen reicht von der Betreuung der Passagiere über Reparatur- und Wartungsarbeiten für die Fluggesellschaften bis hin zur Abwicklung des Frachtverkehrs. ...