[1] Southwestern Univ Finance & Econ, Sch Econ, 555 Liutai Ave, Chengdu 611130, Peoples R China
[2] King Abdulaziz Univ, Coll Business, Dept Finance, POB 344, Rabigh 21911, Saudi Arabia
[3] Shanghai Jianqiao Univ, Sch Business, Shanghai 201306, Peoples R China
[4] Univ Management & Technol, Off Res Innovat & Commercializat, C-II Block C 2 Phase 1 Johar Town, Lahore 54770, Punjab, Pakistan
[5] Islamia Univ Bahawalpur, Dept Econ, Bahawalpur 63100, Pakistan