Affiliation: | 1. Engelbert J. Dockner is at the Vienna University of Economics and Business, Institute for Finance, Banking and Insurance and Vienna Graduate School of Finance, Vienna, Austria;2. Zehra Eksi is at the Vienna University of Economics and Business, Institute for Statistics and Mathematics, Vienna, Austria;3. Margarethe Rammerstorfer is at MODUL University Vienna, Department of International Management, Vienna, Austria |