Institution: | 1. Deutsche Bank Group Chair of Strategic Management , University of Witten/Herdecke , Germany E-mail: wirtz@uni‐wh.de;2. Director of the Euro Lab of Electronic Commerce &3. Internet Economics;4. PhD student at the Deutsche Bank Group Chair of Strategic Management , University of Witten/Herdecke , Germany E-mail: jschwarz@uni‐wh.de;5. Euro Lab of Electronic Commerce & |