1. Department of Quantitative Methods College of Business Administration, King Faisal University Al‐Ahsa Saudi Arabia
2. University of Sousse, IHEC—Institute of High Commercial Studies of Sousse, LaREMFiQ, Department of Economic and Quantitative Methods Sousse Tunisia
3. Department C.L.E.S., Ecole Centrale de Lyon, Laboratory of Actuarial and Financial Sciences (LSAF, EA2429), Institute of Financial and Insurance Sciences University Claude Bernard Lyon 1 Ecully Cedex France