Im Mittelpunkt dieser Arbeit steht die Analyse der Vor- und Nachteile einer geglätteten versus aktuellen Informationsbasis in einem theoretischen Modell. Am Beispiel stabiler Agency-Ratings und volatiler marktbasierter Ratings zeigt sich, dass die Effekte der Berichtsmethode von den...

This note is concerned with two recent agent-based models of speculative dynamics from the literature, one by Gaunersdorfer and Hommes and the other by He and Li. At short as well as long lags, both of them display an autocorrelation structure in absolute and squared returns that comes...

Innovative automated execution strategies like Algorithmic Trading gain significant market share on electronic market venues worldwide, although their impact on market outcome has not been investigated in depth yet. In order to assess the impact of such concepts, e.g. effects on the price...