1. Professor, School of Management Science and Real Estate, Chongqing Univ., Chongqing 400045, China (corresponding author).
2. Ph.D. Candidate, School of Management Science and Real Estate, Chongqing Univ., Chongqing 400045, China.
3. Researcher, College of Hydraulic and Environmental Engineering, China Three Gorges Univ., Yichang, Hubei 443002, China.
4. Professor, College of Hydraulic and Environmental Engineering, China Three Gorges Univ., Yichang, Hubei 443002, China.