1. Ph.D. Candidate, College of Management and Economics, Tianjin Univ., Tianjin 300072, PR China. ORCID: .
2. Assistant Professor, College of Management and Economics, Tianjin Univ., Tianjin 300072, PR China (corresponding author). ORCID: .
3. Professor, College of Management and Economics, Tianjin Univ., Tianjin 300072, PR China.
4. Ph.D. Candidate, College of Management and Economics, Tianjin Univ., Tianjin 300072, PR China.