1. School of Economics and Management, Univ. of Chinese Academy of Sciences, Beijing 100049, China. ORCID: .
2. Professor, School of Economics and Management, Univ. of Chinese Academy of Sciences, Beijing 100049, China (corresponding author).
3. School of Property, Construction and Project Management, RMIT Univ., Melbourne, VIC 3000, Australia. ORCID: .
4. School of Civil Engineering, Iran Univ. of Science and Technology, Tehran 13114-16846, Iran. ORCID: .