First Author:   Hsin-I Fan Yu Da College of Business and National Yunlin University francis@ydu.edu.tw   Department of Marketing and Logistics Management, Yu Da College of Business, No.168, Hsueh-fu Rd. Tanwen Village Chao-Chiao Township,, 36143, Taiwan   886-37-651188 Ext 5550(Phone) 886-37-651188 Ext 5550(Fax) Second Author: Yeung-Nan Shieh San Jose State University ynshieh@yahoo.com   Department of Economics, San Jose State University, One Washington Square San Jose, 95192-0114, USA   408-924-5413(Phone) 408-924-5406(Fax)