1. Department of Tourism Management, School of Economics and Management, Sanming University, Sanming, Fujian, China
2. School of Economics and Finance, Xi'an Jiaotong University, Xi'an, Shaanxi, China
3. Social and Economic Development Research Center, Henan University, Kaifeng City, China
4. School of Economics, Quaid-i-Azam University, Islamabad, Pakistan
5. Department of Business Administration, Kozan Faculty of Business Administration, Cukurova University, Adana, Turkey