温室効果ガス排出と新興・途上国におけるインフラ官民連携（PPP）の資金調達

Greenhouse Gas Emissions and the Financing of Infrastructure Public–Private Partnerships in Emerging and Developing Economies (原題)

Justice Mundonde

Risks📚 査読済 / ジャーナル2026-10-23#気候金融経営インパクト: 資金調達対象セクター: construction

DOI: 10.3390/risks14110249

原典: https://doi.org/10.3390/risks14110249

🤖 gxceed AI 要約

日本語

本論文は2000〜2024年の新興・途上国55カ国を対象に、GHG排出とインフラPPP投資フローの関連を分析した。メタン排出はPPP融資と有意に負の関係を示す一方、CO2とN2Oは同方向だが非有意で、指標依存の関連が示唆された。経済規模と国内信用アクセスがPPP融資の主要決定要因であることも確認し、PPP設計・評価・契約段階への気候リスク組込みを提言する。

English

This study examines whether GHG emissions are associated with infrastructure PPP investment flows across 55 emerging and developing economies (2000–2024) using a cross-sectionally augmented ARDL model. Methane emissions show a significant negative association with PPP financing, while CO2 and N2O are negative but insignificant, suggesting proxy-dependent effects. Economy size and domestic credit access are the main determinants; the authors urge embedding climate risk into PPP design, appraisal, and contracting.

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

途上国インフラのPPP資金調達に気候リスクが及ぼす影響を示す研究で、日本のインフラ輸出・海外投融資やトランジション・ファイナンスのリスク評価に示唆を与える。国内SSBJ開示とは直接の接点は薄いが、気候リスクをファイナンス条件に織り込む視点は参考になる。

In the global GX context

The paper links GHG-induced climate risk to private infrastructure finance in EDCs, feeding the global transition-finance and climate-risk-pricing debate relevant to TCFD/ISSB-aligned risk assessment and blended-finance design. It adds empirical evidence that credit markets may already price climate pressure in emerging-market infrastructure.

👥 読者別の含意

🔬研究者:GHG排出とインフラ融資フローの関連をパネルARDLで検証する実証枠組みと、指標依存の結果の解釈を参考にできる。

🏢実務担当者:海外インフラPPP案件のデューデリジェンスで、気候リスクを契約・評価段階に織り込む必要性を裏付ける。

🏛政策担当者:PPP枠組みにGHG由来の気候リスクを組込み、途上国インフラへの民間資金流入を維持する政策設計の根拠となる。

📄 Abstract（原文）

Resilient infrastructure is an integral component of the sustainable development agenda. In EDCs, governments have adopted Public–Private Partnerships as a mechanism to address the infrastructure deficiencies. However, GHG-induced climate-related pressures are changing not only the risk profile of infrastructure projects but also credit market conditions. This study investigates whether Greenhouse gas emissions are associated with PPP investment flows across 55 EDCs between the years 2000 and 2024. The Cross-Sectionally Augmented Autoregressive Distributed Lag model [MG] was used to examine the impact of GHG-induced climate-related pressures on PPP finance. The study finds that methane (CH4) emissions are significantly and negatively associated with PPP financing in EDCs, while carbon dioxide (CO2) and nitrous oxide (N2O) show the same negative direction but are not statistically significant, suggesting a proxy-dependent association. The findings imply that, on average, as GHG-induced climate-related pressures worsen, private investment in social and economic infrastructure declines. This suggests that PPP frameworks should incorporate GHG-induced climate-related pressures into the design, appraisal, and contracting processes to mitigate potential PPP distress throughout the project’s life cycle. Furthermore, PPP financing is significantly determined by the size of the economy and access to domestic credit, while institutional quality and foreign direct investment show positive but statistically insignificant associations.

🔗 Provenance — このレコードを発見したソース

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