Abstract: The impact of uncertainty on the decision-making of economic agents, such as firms and households, is a important but often neglected element of micro- and macroeconomic theory. With the onset of the financial crisis in 2007 and the strong increase in uncertainty that accompanied it,...

My PhD thesis consists of three papers which study the nature, structure, dynamics and price of variance risks. As tool I make use of multivariate affine jump-diffusion models with matrix-valued state spaces. The first chapter proposes a new three-factor model for index option pricing. A core...

Diese Dissertation besteht aus drei individuellen Aufsätzen, die jeweils eine in sich geschlossene Forschungsarbeit darstellt. Im ersten Aufsatz, "Out-of-Sample Performance of Jump-Diffusion Models for Equity Indices: What the Financial Crisis was Good For", analysieren wir die out-of-sample...