1. Hao Shen (shenhao@baf.cuhk.edu.hk) is professor of marketing at the CUHK Business School, the Chinese University of Hong Kong, Shatin, Hong Kong
2. Jaideep Sengupta (mkjaisen@ust.hk) is the Synergis-Geoffrey Yeh Professor of Business at the School of Business and Management, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong