[1] Univ Tunis El Manar, Dept Finance & Accounting, BP 248,CP 2092, Tunis, Tunisia
[2] IMSIU, Dept Finance & Investment, Coll Econ & Adm Sci, POB 5701, Riyadh, Saudi Arabia
[3] Drexel Univ, Lebow Coll Business, Philadelphia, PA 19104 USA
[4] Montpellier Business Sch, Energy & Sustainable Dev, Montpellier, France
[5] Pusan Natl Univ, PNU Sch Business, Dept Business Adm, Busan 609735, South Korea