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First Author:
 
Mototsugu Fukushige
Graduate School of Economics, Osaka University
mfuku@econ.osaka-u.ac.jp
 
Toyonaka, 560-0043, Japan
 
+81-6-6850-5248(Phone)
+81-6-6850-5248(Fax)

Second Author:

Kazuki Okamoto
JIM Technology Corporation
kazukiok.1104@gmail.comp