Affiliation: | a Swiss Finance Institute Professor at the Swiss Banking Institute, University of Zurich, Plattenstr. 32, 8032 Zurich, Switzerland;b Norwegian School of Economics and Business Administration, Helleveien 30, N-5045, Bergen, Norway;c Otto-von-Guericke-University Magdeburg, Postfach 4120, 39016 Magdeburg, Germany |