1. Ph.D. Candidate, Dept. of Construction Management, School of Civil Engineering, Tsinghua Univ., Beijing 100084, China. ORCID: .
2. Full Professor, Dept. of Construction Management, School of Civil Engineering, Tsinghua Univ., Beijing 100084, China.
3. Associate Professor, School of Management Science and Engineering, Central Univ. of Finance and Economics, Beijing 100081, China (corresponding author).