Murakami, Yukako; Fukao, Kyoji - Institute of Economic Research, Hitotsubashi University - 2006
, Kunitachi-shi Tokyo 186 Japan.
e-mail:murakami@econ.hit-u.ac.jp
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Institute of Economic Research, Hitotsubashi University … Economic Research
Hitotsubashi University
Kunitachi, Tokyo, 186-8603 Japan
http://hi-stat.ier.hit-u.ac.jp/
Productivity …
Hitotsubashi University Research Unit
for Statistical Analysis in Social Sciences
A 21st-Century COE Program
Institute of …