Business & Information Systems Engineering
Editorial
The Contribution of Business and Information Systems Engineering to the Early Recognition and Avoidance of “Black Swans” in IT Projects
Hans Ulrich Buhl
Research Papers
Technostress from a Neurobiological Perspective - System Breakdown Increases the Stress Hormone Cortisol in Computer Users
René Riedl, Harald Kindermann, Andreas Auinger, and Andrija Javor
Supplier Portfolio Management for IT Services Considering Diversification Effects
Florian Probst and Hans Ulrich Buhl
Catchword
Anything Relationship Management
Johannes Britsch, Silvia Schacht, and Alexander Maedche
Profile
Interview with Peter Tauber on “Internet Anonymity: Human Right or Protection for Criminals?”
Roman Beck
Discussion
High Frequency Trading - Costs and Benefits in Securities Trading and its Necessity of Regulations
Christoph Lattemann, Peter Loos, Johannes Gomolka, Hans-Peter Burghof, Arne Breuer, Peter Gomber, Michael Krogmann, Joachim Nagel, Rainer Riess, Ryan Riordan, and Rafael Zajonz