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First Author:
 
Kenichiro Ikeshita
Kanazawa University
ikeshita@staff.kanazawa-u.ac.jp
 
 
 
 

Second Author:

Tamotsu Nakamura
Kobe University
nakamura@econ.kobe-u.ac.jp
 
 
 
 

Third Author:

Keisuke Osumi
Fukuoka Women''s University
ohsumi@fwu.ac.jp