1. School of Economics and Management, Weifang University, Weifang, China
2. School of Economics and Management, Beijing University of Posts and Telecommunications, Haidian, Beijing, China
3. Institute of Business Management Sciences, University of Agriculture Faisalabad, Faisalabad, Pakistan
4. College of Business Administration, University of Sharjah, Sharjah, UAE
5. School of Economics, Quaid-i-Azam University, Islamabad, Pakistan