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First Author:
 
Kazuhiro Yamamoto
Graduate School of Economics, Osaka University
yamamoto@econ.osaka-u.ac.jp
 
Graduate School of Economics, Osaka University, 1-7, Machikaneyama
Toyonaka, 560-0043, Japan
 
+81-6-6850-5250(Phone)
+81-6-6850-5250(Fax)

Second Author:

Ken Tabata
Kobe City University of Foreign Studies
tabataken@inst.kobe-cufs.ac.jp
 
Kobe City University of Foreign Studies, 9-1, Gakuenhigashimachi, Nishi-Ku
Kobe, 651-2187, Japan