Kassamarkt beitragen, zeigen Privatanleger auf dem polnischen Kassamarkt Herdenverhalten, wenn die Marktrendite sinkt. Insgesamt …

Im Rahmen dieser Arbeit wird rationales Herdenverhalten anhand der Informationskaskadenmodelle sowie der … beantwortet, welche Annahmen unverzichtbar sind für das Auftreten von Herdenverhalten. Bezüglich der Empirie werden zwei … Fragestellungen untersucht. Zum einen wird analysiert, dass vorliegende, spezifische empirische Befunde zum Herdenverhalten eher mit …

investors are on average contrarians who trade in a correlated way and exhibit herding behavior both on a market and a stock …

not enough information (Huang & Chen, 2006). This phenomenon is called herding behavior. Many social media Web sites …

Model induction from relational data requires aggregation of values ofattributes of related entities. This paper makes … needed to learn these concepts. (2) Expanding onelevel of the hierarchy, it introduces new aggregation operators thatmodel … byclass. (3) It demonstrates empirically on a noisy business domain thatmore-complex aggregation methods can increase …

still remains significant at high levels of aggregation. Because the bias rises with disaggregation, findings of …

generated by aggregation ratherthan derived from stable individual preferences. …

deterministic relationsare oftentimes observed among variables in high dimensional data. Aggregation methods areproposed as one … aggregated variables. Aggregation methods also arehelpful to address the issue of how to incorporate a large information set into … economy of parameters in empirical models. However, actual aggregation requires legitimateclassifications for interpretable …

that can be carried out within the framework. - Design, analysis and implementation of an aggregation-based service …