1 School of Economics and Management, Yanshan University, 438, Hebei Avenue, Haigang District, Qinhuangdao City, 066004, Hebei, People's Republic of China. usman.akbar@stumail.ysu.edu.cn.
2 School Of Economics And Management, Beijing University of Technology, Beijing, China.
3 Faculty Of Computer Science and Engineering, Ghulam Ishaq Khan Institution Of Engineering Sciences and Technology, Topi, 23640, Pakistan.
4 School of Economics and Management, Yanshan University, 438, Hebei Avenue, Haigang District, Qinhuangdao City, 066004, Hebei, People's Republic of China.
5 College of Economics and Management, Shenzhen University, Shenzhen, Guangdong Province, China.