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ralph lauren polo


First Author:
 
Daisuke Shimizu
Graduate School of Economics, University of Tokyo
dshimizu@grad.e.u-tokyo.ac.jp
 
7-3-1 Hongo, Bunkyo-ku
Tokyo, 113-0033, Japan
 
(81)-47-326-2505(Phone)
(81)-47-326-2505(Fax)

Second Author:

Toshihiro Matsumura
Institute of Social Science, University of Tokyo
matsumur@iss.u-tokyo.ac.jp