First Author:   Costas Siriopoulos College of Business, Zayed University Konstantinos.Syriopoulos@zu.ac.ae   Khalifa City B Abu Dhabi, 144534, U.A.E.       Second Author: Dionisis Philippas ESSCA School of Management dionisis.philippas@essca.fr   Boulogne-Billancourt, 92513, France   0141862003(Phone)