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Takayuki Hirai
Sapporo University
 
3-7-3-1 Nishioka, Toyohira
Sapporo City, Hokkaido 062-8520
Japan
 
hirai@sapporo-u.ac.jp
 
 
 
 
 
 
JEL Areas:
O : Economic Development, Technological Change, and Growth
Z : Other Special Topics