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ralph lauren polo


First Author:
 
Tetsuya Shimokawa
School of Management, Tokyo University of Science
simokawa@ms.kuki.tus.ac.jp
 
 
 
 

Second Author:

Kazuhiro Miyagawa
Graduate School of Economics, Hitotsubashi University
em091020@g.hit-u.ac.jp
 
 
 
 

Third Author:

Tadanobu Misawa
Graduate School of Science and Engineering, University of Toyama
misawa@eng.u-toyama.ac.jp