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ralph lauren polo


First Author:
 
Katsunori Yamada
Graduate School of Economics, Kyoto University
katsunori-yamada@e01.mbox.media.kyoto-u.ac.jp
 
 
 
 

Second Author:

Atsushi Sannabe
Graduate School of Economics, Kyoto University
sannabeatsushi2000@yahoo.co.jp
 
 
 
 

Third Author:

Takashi Saito
Graduate School of Economics, Kyoto University
ts8222@ybb.ne.jp