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 (11)：

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

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Papers (84)：

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
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
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
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
Kojun Hamada. Organizational Structure and Technological Investment Revisited: An Explanation Based on the Property Rights Approach. Research in Economics. 2023. 77. 3. 390-401

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MISC (3)：

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
HASHIMOTO Hideo, HAMADA Kojun, HOSOE Nobuhiro. A Numerical Approach to the Contract Theory: the Case of Adverse Selection. GRIPS Discussion Papers. 2012. 11
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)：

Welfare, Growth, and Intergenerational Impact: Economic Analysis in an Overlapping Generations Model
Niigata University Scholars Series 2023 ISBN:9784902140231
Advances in Local Public Economics: Theoretical and Empirical Studies
Springer 2019 ISBN:9789811331077
The International Transfer Problem: An Essay on the Transfer Paradox and Intergenerational Allocation
Niigata University Scholars Series 2019 ISBN:9784902140217
Economic Challenges Facing Japan’s Regional Areas (in Japanese)
Jiji Press Publishing Bureau 2018 ISBN:9784788715837
Economic Challenges Facing Japan’s Regional Areas
Palgrave Pivot 2018 ISBN:9789811071102

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Lectures and oral presentations (27)：

Privatization Versus Managerial Delegation Under Constant Marginal Cost
(PET (Public Economic Theory) 2024 (presented by Hamada) 2024)
Commodity Tax Competition and Cross-border Shopping in a Tripoint Model
(PET(Public Economic Theory) 2019 (presented by Hamada) 2019)
Commodity Tax Competition and Cross-border Shopping in a Tripoint Model
(RoMacS Workshop V 2018)
Commodity Tax Competition and Cross-border Shopping in a Tripoint Model
(56th Economic Theory and Policy Workshop (presented by Hamada) 2018)
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)：

Professional career (2)：

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 (4)：

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

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