The volatility clustering observed in financial market data implies that large net yield shocks increase the probability of a higher future volatility during the price formation. Starting from the ARCH models which were suggested by Engle (1982), a range of models for conditional variances have...

Semiparametrische Volatilitätsmodelle -- Hochfrequente und Ultra-Hochfrequente Finanzdaten -- Berechnung des Value-at-Risk auf Grundlage parametrischer und semiparametrischer Modelle -- Analyse von Handelswartezeiten -- Glättung der Volatilität von hochfrequenten Finanzdaten in einem...