Graduate Student Research Achievements Site | Ritsumeikan University

（Last updated : 2026-05-18 17:47:27）

YAMAGUCHI Yokei

Department / Course Ritsumeikan University Graduate School Graduate School of Technology　Management Major in Technology Management

Job

Books and theses
Books		Public Money: The Systems Solution to End National Debts, Banking Crisis, Built-in Inequality, Inflation and Control by CBDC (Co-authored) 2025/02
Books		Accounting System Dynamics Modeling of Money as Debts,pp.69-95 (Co-authored) 2021/07
Papers		Commercial Space Expansion under Economic Kessler Syndrome: Evaluating Orbital Sustainability-Utilization Trade-offs under a Launch Tax-ADR Policy (Co-authored) 2026/07
Papers		Policy Timing and Feedback Interaction in Orbital Debris Management: A System Dynamics Analysis of the Launch Tax–ADR Regime Journal of Evolving Space Activities (Co-authored) 2026/04
Papers		Policy Effects and Fiscal Sustainability of Space Environmental Tax Scheme: A System Dynamics Approach (Co-authored) 2025/11
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Academic background
2015/09～2017/07	Master Course System Dynamics Graduate School, Division of Business Administration Radboud University Completed Master of Science (Joint European Masters Degree in System Dynamics) (Business Administration)
2015/09～2017/07	Master Course System Dynamics Department of Geography University of Bergen Completed Master of Philosophy (Joint European Masters Degree in System Dynamics) (Others)
2011/04/01～2015/03/18	Faculty of International Studies Kwansei Gakuin University Graduated

Academic conference attendance and presentation
2026/07	Commercial Space Expansion under Economic Kessler Syndrome: Evaluating Orbital Sustainability-Utilization Trade-offs under a Launch Tax-ADR Policy (44th International System Dynamics Conference)
2025/11/27	Policy Effects and Fiscal Sustainability of Space Environmental Tax Scheme: A System Dynamics Approach
2025/08/05	A Policy Framework for Space Debris Management: Evaluating the Feasibility of Space Environmental Tax (43rd International System Dynamics Conference)
2025/07/18	Exploring Economic Incentives for Sustainable Space Debris Management: A System Dynamics Approach (35th International Symposium on Space Technology and Science)
2024/08	The Long-Run Endogenous Money ASD Model of the Debt Money System (Part IV)-Built-In Unfair Income Distribution and Inflation (42nd International System Dynamics Conference)
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Teaching Assistant
2025/09/27 2025/11/15	Future Prediction and Simulation
2026/04/07 2026/05/26

Internal Scholarship and Research Grants receiving status
2025 2027