1. School of Economics and Management, Guangdong University of Petrochemical Technology, Maoming 525011, China
2. School of Economics and Business Administration, Chongqing University, Chongqing 400050, China
3. Department of Business Administration, University of Kotli, Azad Jammu and Kashmir 11000, Pakistan
4. Faculty of Management Sciences, University of Kotli, Azad Jammu and Kashmir 11000, Pakistan
5. School of Economics, Lanzhou University, Lanzhou 730000, China