1. Assistant Professor, Dept. of Building and Construction, City Univ. of Hong Kong, Tat Chee Aveune, Kowloon Tong, Hong Kong, China (corresponding author).
2. Associate Professor, Dept. of Economics and Management, Fuzhou Univ., China.
3. Postdoctoral Fellow, Dept. of Real Estate and Construction, Univ. of Hong Kong, Pokfulum Rd., Hong Kong, China.