Nach dem Vorbild börsennotierter britischer Vereine wird es auch deutschen Profifußballvereinen in absehbarer Zukunft möglich sein, sich in Aktiengesellschaften umzuwandeln. Der anschließende Börsengang soll dann den nach den jüngsten Entwicklungen im Profifußballbereich gestiegenen...

Empirical studies have shown that a large number of financial asset returns exhibit fat tails and are often characterized by volatility clustering and asymmetry. Also revealed as a stylized fact is Long memory or long range dependence in market volatility, with significant impact on pricing and...

This paper presents and compares several time-series models for returns of broadbased stock indices. These models nest a nonlinear asymmetric GARCH (NGARCH) model as a special case. Some of these models are empirically motivated ad-hoc specifications others are derived from a representative...