Affiliation: | (1) Department of Distributive Science and Business Administration, Nagasaki Prefectural University, 123 Kawashimo-cho, Sasebo-shi, Nagasaki 858-8580, Japan;(2) Department of Strategy and International Business, College of Business Administration, Seoul National University, Rm 309 SK-Hall, San 56-1 Shillim-dong, Gwanak-gu, 151-916 Seoul, South Korea;(3) Graduate School of Business, Seoul National University, Rm 308 SK-Hall, San 56-1 Shillim-dong, Gwanak-gu, 151-916 Seoul, South Korea |