About the Authors

Tarek Sadraoui

Department of Quantitative Methods, Faculty of economic sciences and Management of Mahdia

Bechir Deghachi

Department of Quantitative Methods, Higher Institute of Society Administration

Rahma Ben Aissa

Department of Quantitative Methods, Higher Institute of Society Administration

Corresponding Author

Email: tarek_sadraoui@yahoo.fr, Tarek.Sadraoui@fsegs.rnu.tn