1. Department of ISOM, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong; and Lee Business School, University of Nevada, Las Vegas, Nevada 89120
2. Department of Information Systems, Decision Sciences and Statistics, ESSEC Business School, 95021 Cergy Pontoise Cedex, France
3. Department of ISOM, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
4. Lebanon Valley College, Annville, Pennsylvania 17003
5. School of Business, Virginia Commonwealth University, Richmond, Virginia 23284