- Asahikawa University
- University of Southern California
External person
- Osaka University
- Shinshu University
- Osaka School of International Public Policy
- Department of Economics
External person
- University of Göttingen
- Technical University of Braunschweig
- Inst. fur Wirtschaftswissenschaften
- University of Southern California
External person
- University of Toyama
- Department of Economics
External person
- Okayama University
- Graduate School of Humanities and Social Sciences
External person
- Waseda University
- School of Education
External person
- Nagoya City University
- Faculty of Economics
External person
- Waseda University
- Sch. of Polit. Sci. and Economics
External person