Der Value at Risk ist die am stärksten verbreitete Kennzahl zur Bestimmung des Risikos bei Finanzinstituten. Für diese gibt es bezüglich Theorie, Simulation und empirischer Anwendung bereits ein breites Spektrum an Literatur. Im Rahmen dieser Arbeit werden verschiedene Methoden zur Schätzung...

This dissertation consists of three empirical studies on capital market efficiency in a broader sense. Two of the three papers are dedicated to the examination of short-term stock-returns in the wake of large one-day price changes – positive or negative. If significant abnormal returns can be...

This cumulative dissertation studies various approaches to improve stock market volatility forecasts based on nonlinearity and asymmetric dependence modeling as well as new innovative data sources. Studying multivariate dependence patterns using a vine copula approach and incorporating Google...