1. School of Accounting, Capital University of Economics and Business, Beijing 100070, China
2. Department of International Finance, School of Economics, Fudan University, Shanghai 200437, China
3. Department of Financial Engineering, School of Economics, Sichuan University, No. 24, South Section 1, Yihuan Road, Chengdu 610065, China
4. Department of Management Sciences, University of Swabi, Swabi 23430, Pakistan
5. Business School, Huanggang Normal University, No. 146 Xinggang 2nd Road, City Development Zone, Huanggang 438000, China
6. Department of Economics, Islamia College University, Peshawar 25000, Pakistan