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First Author:
 
Yuncheol Jeong
Faculty of Business and Commerce, Keio University
jeongyc@fbc.keio.ac.jp
 
2-15-45, Mita, Minato-ku
Tokyo, 108-8345, Japan
 
+81 3 5427 1082(Phone)
+81 3 5427 1082(Fax)

Second Author:

Masayoshi Maruyama
Graduate School of Business Administration, Kobe University
mmaru@kobe-u.ac.jp
 
2-1, Rokkodai, Nada-ku
Kobe, 657-8501, Japan
 
+81 78 803 694(Phone)
+81 78 803 694(Fax)