1. Ph.D. Candidate, School of Management Science and Real Estate, Chongqing Univ., 83# Shabei St., Shapingba District, Chongqing 400045, China.
2. Professor, Research Center for Construction Economics and Management, Chongqing Univ., 83# Shabei St., Shapingba District, Chongqing 400045, China (corresponding author). .