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J-GLOBAL ID：200901064529285023
Update date: Dec. 17, 2024
HAMADA Kojun
ハマダ コウジユン | HAMADA Kojun
Affiliation and department：
Job title：
Associate Professor
Research field (2)：
Economic policy
, Theoretical economics
Research keywords (2)：
International Economics
, Theory of Industrial Organization
Research theme for competitive and other funds (13)：
- 2025 - 2027 The Optimal Privatization Policy in a Mixed Oligopoly with Externalities
- 2023 - 2027 人口減少に対応するサステナブルな社会インフラ整備に関する理論研究
- 2020 - 2024 A Theoretical Approach on the Impact of the Spread of AI on International Trade
- 2019 - 2023 A study of consistency of political systems and long-term economic growth
- 2016 - 2021 A Theoretical Study on International Economic Transfer Based on Behavioral Economics
- 2016 - 2020 Theoretical Analysis of Strategic Infrastructure Development for a Formation of High Quality Market in Global Economy
- 2015 - 2018 Dynamic Analysis of Foreign Aid with Consideration of Political Activity
- 2013 - 2016 A Study on the Reform of Merger Control to Enhance International Competitiveness of Japanese Companies
- 2012 - 2015 Economic Analysis of the Fisheries Policies for Restoration after the Tohoku Great Earth Quake and Tsunami
- 2004 - 2005 寡占理論を用いたM&Aの経済効果に関する研究
- 1998 - 1999 現代日本の経済システムと制度の比較分析-企業間取引とコーポレート・ガバナンス
- 産業組織論
- Theory of Industrial Organization
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Papers (85)：
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Kojun Hamada, Yasuhiro Takarada. Product Standards Policy Under a Monopoly Market with Negative Externalities. Journal of Economics, Niigata University. 2024. 117. 2024-I. 1-21
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Kojun Hamada. The Effects of Automation on Capital Accumulation and Skilled and Unskilled Labor. Journal of Economics, Niigata University. 2024. 116. 2023-II. 19-43
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Kojun Hamada, Akihiko Kaneko, Mitsuyoshi Yanagihara. Impact of PAYG Pensions on Country Welfare Through Capital Accumulation. International Economics and Economic Policy. 2024. 21. 207-226
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Kojun Hamada, Takao Ohkawa, Makoto Okamura. The Optimal Specific or Ad Valorem Tax When the Other Tax Is Exogenously Imposed in a Free-entry Cournot Oligopoly Market. Bulletin of Economic Research. 2024. 76. 1. 251-266
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Kojun Hamada. Subsidy and Tax Policy That Induces Firms to Self-select Production Technology with Negative Externalities. Journal of Economics, Niigata University. 2023. 115. 2023-I. 1-26
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MISC (3)：
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Kojun HAMADA. Economy Classroom: How to Protect Marine Resources (the latter part); Give Fishermen Incentives to Prevent Overfishing: The Key is the Spread of the Individual Quota System (in Japanese). The Nikkei. 2018. 25-25
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HASHIMOTO Hideo, HAMADA Kojun, HOSOE Nobuhiro. A Numerical Approach to the Contract Theory: the Case of Adverse Selection. GRIPS Discussion Papers. 2012. 11
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橋本 日出男, 濱田 弘潤, 細江 宣裕. 契約理論: プログラミング・モデル・アプローチ. GRIPS Discussion Papers. 2011. 10
Books (12)：
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Welfare, Growth, and Intergenerational Impact: Economic Analysis in an Overlapping Generations Model
Niigata University Scholars Series 2023 ISBN:9784902140231
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Advances in Local Public Economics: Theoretical and Empirical Studies
Springer 2019 ISBN:9789811331077
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The International Transfer Problem: An Essay on the Transfer Paradox and Intergenerational Allocation
Niigata University Scholars Series 2019 ISBN:9784902140217
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Economic Challenges Facing Japan’s Regional Areas (in Japanese)
Jiji Press Publishing Bureau 2018 ISBN:9784788715837
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Economic Challenges Facing Japan’s Regional Areas
Palgrave Pivot 2018 ISBN:9789811071102
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Lectures and oral presentations (27)：
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Privatization Versus Managerial Delegation Under Constant Marginal Cost
(PET (Public Economic Theory) 2024 (presented by Hamada) 2024)
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Commodity Tax Competition and Cross-border Shopping in a Tripoint Model
(PET(Public Economic Theory) 2019 (presented by Hamada) 2019)
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Commodity Tax Competition and Cross-border Shopping in a Tripoint Model
(RoMacS Workshop V 2018)
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Commodity Tax Competition and Cross-border Shopping in a Tripoint Model
(56th Economic Theory and Policy Workshop (presented by Hamada) 2018)
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Subsidy Competition Between Regions: An Extension to Cross-shareholding and Employment Concerns
(The 55th Annual Meeting of the Japan Section of the RSAI (presented by Hamada) 2018)
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Education (3)：
- 1997 - 2000 Osaka University Graduate School of Economics Doctoral Course
- 1995 - 1997 Osaka University Graduate School of Economics Master Course
- 1991 - 1995 Osaka University Faculty of Economics Department of Economics
Professional career (2)：
- Master Degree (economics) (Osaka University)
- Ph.D. (economics) (Osaka University)
Work history (4)：
- 2021/04 - 現在 Niigata University Faculty of Economic Sciences Professor
- 2020/04 - 2021/03 Niigata University Faculty of Economic Sciences Associate Professor
- 2001/04 - 2020/03 Niigata University Faculy of Economics Associate Professor
- 2000/04 - 2001/03 Niigata University Faculty of Economics lecturer
Awards (5)：
- 2024/07 - Niigata University 2024 Niigata University Excellence Award
- 2023/03 - Nikkei STOCK League NOMURA Award
- 2022/11 - Niigata Univeristy 2022 Niigata University Excellence Award
- 2022/01 - Niigata University 2021 Niigata University Excellence Award
- 2012/10 - The Japan Society of International Economics (JSIE) The 7th Kiyoshi Kojima Award for Excellent Paper
Association Membership(s) (2)：
THE JAPAN SOCIETY OF INTERNATIONAL ECONOMICS
, JAPANESE ECONOMIC ASSOCIATION
