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持続可能な移行におけるシステム的補完性：エネルギーガバナンス、輸送効率、持続可能な競争力

Systemic Complementarities in Sustainability Transitions: Energy Governance, Transportation Efficiency, and Sustainable Competitiveness (原題)

Wendy Anzules-Falcones, Juan Ignacio Martín Castilla, Ana Belén Tulcanaza-Prieto, Cristina Vargas-Urresta

Sustainability📚 査読済 / ジャーナル2026-10-10#エネルギー転換Origin: Global対象セクター: transport
DOI: 10.3390/su182010295
原典: https://doi.org/10.3390/su182010295

🤖 gxceed AI 要約

日本語

110カ国・2019〜2024年のパネルデータを用い、エネルギーガバナンスと輸送効率の相互作用が持続可能性成果に非線形効果を与えるかを固定効果モデルで検証。いわゆる「グリーン乗数」の交互作用は統計的に有意でなく、陸上輸送効率と航空接続性には代替ではなく補完の正の交互作用が確認された。所得を適切に制御するとインフラ整備とクリーンエネルギーアクセスの直接関連は有意でなかった。

English

Using 2019–2024 panel data from 110 countries and fixed-effects models with interaction terms, the study tests whether energy governance and transportation efficiency interact non-linearly on sustainability outcomes. The hypothesized 'Green Multiplier' interaction is not significant (p=0.102), while ground transport efficiency and air connectivity show significant complementarity (p=0.039) rather than substitution. Once income is controlled, infrastructure shows no significant direct link to clean energy access.

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

日本のGX政策・SSBJ開示に直接資する内容ではないが、インフラと制度の補完性を巡る実証手法は、国内の脱炭素投資評価や政策効果検証の設計に示唆を与える。

In the global GX context

Speaks to global transition-finance and climate-policy evaluation debates by cautioning against inferring governance-contingent green investment effectiveness from associational panel evidence, and by advocating transparent, reproducible specification reporting.

👥 読者別の含意

🔬研究者:インフラ・ガバナンス交互効果の識別と仕様報告の透明性に関する方法論的教訓を得られる。

🏛政策担当者:グリーン投資のガバナンス依存効果を相関的パネル証拠のみから結論づけることへの慎重さを示す。

📄 Abstract（原文）

Sustainability transitions are increasingly shaped by the interaction between infrastructure systems and institutional frameworks, yet empirical evidence on how these complementarities influence outcomes remains limited. This study examines the relationship between energy governance and transportation efficiency, focusing on whether their interaction generates non-linear effects on sustainability performance. Using panel data from 110 countries for 2019–2024, we employ fixed-effects models with interaction terms to evaluate both competitiveness and distributional outcomes. The results reveal three main findings. (1) We find no statistically significant evidence, at conventional levels, of a “Green Multiplier” interaction between energy governance and transportation efficiency (β = 0.0057, p = 0.102), although the available governance and infrastructure indicators are reported at a lower frequency than the annual panel employed in this study, limiting statistical power for detecting interaction effects. (2) Contrary to the hypothesized compensatory logic, ground transportation efficiency and air connectivity show a significant positive interaction (β = 0.026, p = 0.039), indicating complementarity rather than substitution between transport modes. (3) Once income is correctly controlled for, infrastructure development shows no significant direct association with access to clean energy, in either direction. These findings advance sustainability transition research by providing rigorously specified evidence on infrastructure–governance interactions, showing that some previously hypothesized complementarities do not hold at conventional significance levels. In contrast, others (ground–air transport complementarity) emerge in directions contrary to prior theoretical expectations. The results caution against inferring the governance-contingent effectiveness of green investments from associational panel evidence alone and instead point to the value of transparent, fully reproducible specification reporting in this literature.

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