Public Investment in Renewable Energy R&D under Geopolitical Risks and Economic Uncertainty: A Systematic Review in the Transportation Subsector
地政学的リスクと経済的不確実性下における再生可能エネルギー研究開発への公的投資：運輸サブセクターの系統的レビュー (AI 翻訳)
N Heriyah, Putri.Alya, Mesa.Neng
🤖 gxceed AI 要約
日本語
本系統的レビューは、地政学的リスクと経済的不確実性が運輸サブセクターにおける再生可能エネルギー研究開発（R&D）への公的投資にどのように影響するかを検討した。PRISMAプロトコルに従い2010～2025年の査読付き文献25件を分析した結果、公的R&D投資は不確実性下で安定化と戦略的手段の両方として機能し、地政学的緊張や経済変動が当初は投資を抑制するものの、最終的にはエネルギー自立を目指す政府主導のイノベーションを刺激することが明らかとなった。持続的な公的R&D投資が運輸部門の長期的なエネルギー転換に不可欠であると結論づけている。
English
This systematic review examines how public investment in renewable energy R&D interacts with geopolitical risks and economic uncertainty in the transportation subsector. Following PRISMA guidelines, 25 peer-reviewed studies (2010–2025) were synthesized. The review finds that public R&D investment serves as both a stabilizing and strategic instrument amid global uncertainty: geopolitical tensions and economic volatility initially constrain but ultimately spur government-led innovation for energy independence. Sustained public R&D investment, supported by fiscal capacity and policy alignment, is crucial for long-term energy transition in transportation.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
本レビューは、地政学的リスクが再エネR&D投資に与える影響を整理しており、日本政府のGX戦略（特に運輸部門の水素・EV技術開発）にとって重要な示唆を含む。日本の政策立案者は、国際情勢の不確実性下でも安定的な公的投資を継続する必要性を再確認できる。
In the global GX context
This paper provides a global synthesis of how geopolitical risks shape public R&D investment in renewable energy for transportation. For international climate disclosure and transition finance frameworks (e.g., ISSB, TCFD), it underscores the importance of resilience-oriented innovation policy and stable fiscal commitments to achieve decarbonization targets despite global uncertainties.
👥 読者別の含意
🔬研究者:Researchers studying the intersection of geopolitical risk, innovation policy, and renewable energy transition will find a synthesized framework linking R&D investment to energy security and decarbonization.
🏢実務担当者:Corporate sustainability and strategy teams in automotive and energy sectors can use the findings to advocate for sustained public R&D funding and align corporate R&D with policy directions under uncertainty.
🏛政策担当者:Policymakers in transportation and energy ministries should note that consistent public R&D investment is a strategic tool to mitigate geopolitical risks and accelerate the energy transition.
📄 Abstract（原文）
This study aims to examine how public investment in renewable energy research and development (R&D) interacts with geopolitical risks and economic uncertainty, particularly within the transportation subsector, by identifying the extent to which these global factors influence government decisions, fiscal priorities, and technological innovation in renewable energy policy. A systematic literature review (SLR) was conducted following the PRISMA protocol, with data gathered from Scopus, Web of Science, ScienceDirect, Emerald Insight, and IEEE Xplore, focusing on peer-reviewed publications from 2010–2025, where twenty-five qualified studies were synthesized through qualitative content and thematic analysis to extract patterns linking public R&D investment, geopolitical risk, and economic volatility. The review reveals that public investment in renewable energy R&D serves as both a stabilizing and strategic instrument under conditions of global uncertainty, as geopolitical tensions and economic fluctuations initially constrain but ultimately stimulate government-led innovation to enhance energy independence, while technological innovation—particularly in electric mobility, hydrogen fuels, and smart grids—emerges as the key mechanism translating public funding into environmental and socio-economic benefits. Conclusion: Sustained public R&D investment, supported by fiscal capacity, institutional coherence, and policy alignment, is crucial for achieving long-term renewable energy transition in the transportation sector. Limitations: The review is limited to qualitative synthesis and secondary sources, which may reduce generalizability to emerging economies such as Indonesia. Contribution: This study contributes an integrated understanding of how public R&D investment operates as both an economic and strategic policy tool for resilience and sustainability under geopolitical and fiscal uncertainty.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.70610/jcpa.v4i01.1150first seen 2026-05-15 17:08:06
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