Affiliation: | 1. School of Hotel, Restaurant and Tourism Management, University of South Carolina, Columbia, USAhengyun.li@polyu.edu.hk;3. School of Hotel and Tourism Management, Hong Kong Polytechnic University, 17 Science Museum Road, Tsim Sha Tsui East, Kowloon, Hong Kong;4. School of Hotel, Restaurant and Tourism Management, University of South Carolina, Columbia, USA |