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Hiroaki Ishiwata
Tohoku University
 
Graduate School of Information Sciences
Tohoku University
Aramaki aza Aoba 6-3-09, Aoba-ku
Sendai, Miyagi 980-8579
Japan
 
ishiwata@se.is.tohoku.ac.jp
 
 
 
 
 
 
JEL Areas:
F1 : Trade: General
R0 : Urban, Rural, and Regional Economics: General