1. Finance Department, College of Business Administration, Prince Sultan University, Rafha Street, P.O. Box 66833, Riyadh 11586, Saudi Arabia
2. Department of Economics, College of Business and Administration, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
3. BestMod Laboratory, High Institute of Management-Tunis, Le Bardo 2000, Tunisia