1. School of Economics and Management, Yanshan University, Qinhuangdao 066004, China
2. Department of Management, Faculty of Applied Sciences, WSB University, 41-300 Dabrowa Górnicza, Poland
3. School of Economics, Jilin University, Changchun, Jilin 130012, China
4. Department of Economics, Kohat University of Science and Technology, Kohat 26000, Pakistan
5. Department of Commerce, Faculty of Management Sciences, University of Kotli, Azad Jammu and Kashmir, Kotli 11100, Pakistan