First Author:   Houssam Bouzgarrou University of Sousse - ISFF h.bouzgarrou@hotmail.fr         Second Author: Zied Ftiti EDC Business School Zied.Ftiti@edcparis.edu         Third Author: Majdi Houcine University of Sousse majdi.houcine43@gmail.com         Fourth Author: Wael Louhichi ESSCAC Business School wael.louhichi@essca.fr