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Green Finance Policy and Urban Pollution and Carbon Emission Reduction:Impact Mechanisms and Spatial Spillover Effects

グリーンファイナンス政策と都市の汚染・炭素排出削減：影響メカニズムと空間的波及効果 (AI 翻訳)

(著者不明)

Global NEST Journal📚 査読済 / ジャーナル2026-08-01#政策Origin: CN経営インパクト: 資金調達対象セクター: cross_sector
DOI: 10.30955/gnj.08584
原典: https://cosmos.gnest.org/system/files/2026-08/gnest_08584_accepted%20manuscript.pdf
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🤖 gxceed AI 要約

日本語

中国の2017年グリーンファイナンス改革試験区を自然実験として、273都市のパネルデータを用い、差分の差分法と空間ダービンモデルで政策効果を検証。政策は都市の汚染・炭素削減を有意に促進し、東部・西部、老工業基地、資源型都市で効果が大きい。メカニズムとしてグリーンイノベーションの増加、エネルギー消費強度の低減、グリーンエネルギー効率の向上が寄与する一方、産業構造高度化は一時的なマスキング効果を持つ。空間的には隣接都市への負の波及効果があり、300km以内で減衰する。

English

Using China's 2017 Green Finance Reform pilot zones as a quasi-natural experiment, this study analyzes 273 cities from 2008-2023 with DID and spatial Durbin models. The policy significantly reduces urban pollution and carbon emissions, with stronger effects in eastern/western regions, old industrial bases, and resource-based cities. Mechanisms include increased green innovation, lower energy intensity, and improved green energy efficiency, while industrial upgrading has a temporary masking effect. Spatial analysis reveals negative spillovers to neighboring cities within 300 km.

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

中国のグリーンファイナンス政策の実証結果は、日本の地域金融機関や自治体が脱炭素政策を設計する際の参考になる。特に、政策の空間的波及効果や地域特性による効果の違いは、日本の地域間格差を考慮した政策立案に示唆を与える。

In the global GX context

This study provides robust empirical evidence on how green finance policies can drive pollution and carbon reduction, offering insights for global policymakers designing similar frameworks. The spatial spillover findings highlight the need for coordinated regional approaches, relevant to the EU's Just Transition Mechanism and other regional policies.

👥 読者別の含意

🔬研究者:Provides rigorous causal evidence on green finance policy effectiveness and spatial dynamics, useful for further research on policy design and evaluation.

🏢実務担当者:Highlights the importance of green finance instruments for corporate decarbonization, though the China-specific context may limit direct applicability.

🏛政策担当者:Offers evidence on the effectiveness and spatial spillovers of green finance zones, informing the design of regional green finance policies.

📄 Abstract（原文）

Global climate change and environmental pollution have become critical constraints on sustainable development. As an essential institutional arrangement reconciling economic growth with environmental protection, green finance (GF) has emerged as a core driver of the global green transition. Using China’s 2017 establishment of the Green Finance Reform and Innovation Pilot Zones as a quasi-natural experiment, this study constructs a panel of 273 Chinese cities from 2008 to 2023. It applies a difference-in-differences model and a spatial Durbin model to systematically assess the direct, indirect, and spatial spillover effects of the green finance policy (GFP) on urban pollution and carbon emission reduction (PCR).The results indicate that GFP significantly advances PCR, with stronger effects observed in eastern and western regions, old industrial bases, and resource-based cities. The mechanism analysis reveals that GFP promotes PCR by enhancing the quantity of green innovation, reducing energy consumption intensity, and promoting green energy efficiency, while industrial structure upgrading exerts a temporary masking effect. The spatial analysis further shows that while GFP significantly enhances local PCR, it exerts a negative spillover effect on neighboring cities, with the influence confined within 300 kilometers and gradually weakening with distance. This study uncovers the internal logic through which GFP facilitates pollution and carbon emission reduction at the city level, offering robust empirical evidence and providing practical policy implications for developing economies aiming to enhance GF systems and advance sustainable development.

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