The first paper is co-authored with Sylvain Delalay. We examine the impact of competition between ETFs on measures of market quality of the funds. The surge in new ETF creation has for consequence that groups of competing ETFs are increasingly crowded, and investors can choose from a multitude...

This paper models the competition of user networks as a continuous-time Markov process. It presents a dynamic version of the Discrete Choice Analysis with state-dependent choice probabilities. Among other things, we show that the network competition can be characterized by the coexistence of...

Das Ziel dieser Studie ist es, die Bedeutung von Cloud-Diensten, die insbesondere von international tätigen Hyperscalern angeboten werden, für die digitale Souveränität der KMU zu bewerten. Dieser Bericht ist der erste Teil von drei und beleuchtet den CloudMarkt mit seinen relevanten...