First Author:   Cornel Oros IRIAF-CRIEF, University of Poitiers and LEO, University of Orléans cornel.oros@univ-poitiers.fr   Poitiers, France   (33) 05 49 28 75 51(Phone) (33) 05 49 28 75 51(Fax) Second Author: Claudiu T. Albulescu Management Department,‘Politehnica'''' University of Timisoara claudiu.albulescu@mpt.upt.ro   Timisoara, Romania