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