[1] Univ Tunis El Manar, LAREQUAD, Tunis, Tunisia
[2] Univ Tunis El Manar, FSEGT, Tunis, Tunisia
[3] Qassim Univ, Dept Finance & Econ, Coll Business & Econ, Buraydah, Saudi Arabia
[4] Univ Jendouba, FSJEG Jendouba, Jendouba, Tunisia
[5] Univ Manouba, ESCT, QUARG UR17ES26, Campus Univ Manouba, Tunis 2010, Tunisia
[6] Najran Univ, Coll Adm Sci, Najran, Saudi Arabia
[7] Univ Sousse, LAMIDED, Sahloul 4,BP 526, Sousse, Tunisia