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ralph lauren polo


First Author:
 
Rong Fu
Graduate School of Economics, Waseda University
nataliefu1988@fuji.waseda.jp
 
1-6-1 nishiwaseda, sinnjyuku
Tokyo, 166-8050, Japan
 
 
 

Second Author:

Haruko Noguchi
School of Political Science and Economics, Waseda University
h.noguchi@waseda.jp
 
 
 
 

Third Author:

Koichi Suga
School of Political Science and Economics, Waseda University
ksuga@waseda.jp