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First Author:
 
Ryo Horii
Osaka University
horii@econ.osaka-u.ac.jp
 
Graduate School of Economics, Osaka University, 1-7 Machikaneyama
Toyonaka, 560-0043, Japan
 
06-6850-5254(Phone)
06-6850-5254(Fax)

Second Author:

Koichi Futagami
Osaka University
futagami@econ.osaka-u.ac.jp
 
Graduate School of Economics, Osaka University, 1-7 Machikaneyama
Toyonaka, 560-0043, Japan
 
06-6850-5266(Phone)
06-6850-5256(Fax)

Third Author:

Akiomi Kitagawa
Tohoku University
kitagawa@econ.tohoku.ac.jp
 
Graduate School of Economics and Management, Tohoku University, 27-1 Kawauchi, Aoba-ku
Sendai, 980-8576, Japan
 
022-217-6326(Phone)
022-217-6326(Fax)