- 2003 - 現在 Professor of Economics, Institute of
- 2002 - 2003 Osaka University The Institute of Social and Economic Research
- 2002 - 2003 Professor, Institute of Social and Economic
- 2003 - - 京都大学経済研究所 教授
- 1996 - 2002 University of Tsukuba Institute of Policy and Planning Sciences
- 1996 - 2002 Associate Professor, Institute of Policy and
- 1991 - 1996 ペンシルバニア大学 助教授
- 1991 - 1996 Assistant Professor, Department of Economics,
- 1993 - 1994 Research Associate, CORE, Universite
- Economic Research, Kyoto University
- Research, Osaka University
- Planning Sciences, University of Tsukuba
- Catholique de Louvain
- University of Pennsylvania
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