The use of GARCH models with stable Paretian innovations in financial modeling has been recently suggested in the literature. This class of processes is attractive because it allows for conditional skewness and leptokurtosis of financial returns without ruling out normality. This contribution...

Risk estimation or volatility estimation at financial markets, particularly stock exchange markets, is complex issue of great importance to theorists and practitioners. Models used to estimate volatility forecasts are translated into better pricing of stocks and better risk management. The aim...

Aus welchen Gründen setzen Unternehmen (Währungs-)Derivate ein? Der Autor geht dieser Frage nach, indem er zunächst verschiedene Theorien zur Rechtfertigung des unternehmerischen Einsatzes von Derivaten zu Risikomanagementzwecken zusammenfaßt, welche die grundsätzliche Redundanz von...