1.
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1982/04~1986/02
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Osaka University of Economics Faculty of Economics Department of Economics Lecturer
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2.
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1986/03~1994/06
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Osaka University of Economics Faculty of Economics Department of Economics Associate Professor
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3.
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1994/06~2016/03
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Osaka University of Economics Faculty of Economics Department of Economics Professor
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4.
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2016/04~
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Osaka University of Economics Faculty of Economics Department of Economics Professor
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