infonet-economy

This dissertation includes three research papers, two of which are empirical studies and one of which illustrates a mechanism through a theoretical model. The first paper focuses on the effect of stock market liquidity on corporate cash holdings. This paper provides empirical evidence that stock market liquidity has a positive impact on cash holdings. The two main competing...

Moderne Entschädigungsprogramme sind meist leistungsbezogen und an die zukünftige Wertentwicklung des Unternehmens gekoppelt. Häufig werden dabei Aktienoptionen eingesetzt.
Die asymmetrische Auszahlungsstruktur von Aktienoptionen „belohnt“ Kurssteigerungen überproportional, Verluste sind dagegen begrenzt. Somit kann für den Empfänger das Eingehen von Risiken vorteilhaft sein....

The problem of optimal investment with CRRA (constant, relative risk aversion) preferences, subject to dynamic risk constraints on trading strategies, is the main focus of this paper. Several works in the literature, which deal either with optimal trading under static risk constraints or with VaR{based dynamic risk constraints, are extended. The market model considered is continuous...

The recent crisis has brought to the fore a crucial question that remains still open: what would be the optimal architecture of financial systems? We investigate the stability of several benchmark topologies in a simple default cascading dynamics in bank networks. We analyze the interplay of several crucial drivers, i.e., network topology, banks' capital ratios, market...

The intrinsic complexity of the financial derivatives market has emerged as both an incentive to engage in it, and a key source of its inherent instability. Regulators now faced with the challenge of taming this beast may find inspiration in the budding science of complex systems.