1. Professor, Dept. of Building and Real Estate, Faculty of Construction and Land Use, The Hong Kong Polytechnic Univ., Hong Kong.
2. Associate Professor, Dept. of Land Administration, Zhejiang Univ., Hangzhou 310029, China (corresponding author).
3. Professor, Dept. of Urban Planning and Design, Faculty of Architecture, The Univ. of Hong Kong, Hong Kong; formerly Ph.D. Student, Dept. of Building and Real Estate, Faculty of Construction and Land Use, The Hong Kong Polytechnic Univ., Hong Kong.