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脱炭素化への資金調達：グリーンファイナンス政策は企業の低炭素イノベーションをどう促進するか？

Financing Decarbonization: How Green Finance Policies Affect Corporate Low‐Carbon Innovation? (原題)

Shikuan Zhao, Ahmed Imran Hunjra, Riadh Manita, Fuxian Zhu

International Journal of Finance & Economics📚 査読済 / ジャーナル2026-09-02#トランジション・ファイナンスOrigin: CN経営インパクト: 資金調達対象セクター: cross_sector
DOI: 10.1002/ijfe.70279
原典: https://doi.org/10.1002/ijfe.70279

🤖 gxceed AI 要約

日本語

中国の「グリーンファイナンス改革革新試験区」の設立を自然実験とし、2012-2023年のA株企業データを用いた多期間DIDで、グリーンファイナンス政策（GFP）が企業の低炭素イノベーション（LCI）を有意に促進することを実証。戦略的LCIへの効果が実質的LCIより強く、資金制約の緩和、研究開発投資の促進、知的財産保護の強化が経路。管理的人的資本、競争的産業、南東沿岸部で効果大。空間的波及効果も確認。

English

Using the establishment of China's Green Finance Reform and Innovation Pilot Zone as a quasi-natural experiment, this study employs a multi-period DID on A-share listed firms from 2012-2023 to show that green finance policies significantly boost corporate low-carbon innovation, with stronger effects on strategic than substantive innovation. Mechanisms include eased financing constraints, increased R&D, and enhanced IP protection. Effects are stronger in firms with high managerial human capital, competitive industries, and southeastern coastal regions, with positive spatial spillovers.

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効果を実証した研究であり、日本ではSSBJ開示やトランジション・ファイナンスの政策設計に示唆を与える。日本の金融機関や政策担当者は、政策のインセンティブ設計と企業のイノベーション促進の因果関係を理解する上で参考になる。

In the global GX context

This paper provides causal evidence on how green finance policies drive corporate low-carbon innovation, relevant to global discussions on transition finance and climate policy effectiveness. It offers insights for policymakers designing green finance frameworks and for researchers evaluating policy impacts, complementing TCFD/ISSB disclosure initiatives by linking finance to real-economy decarbonization.

👥 読者別の含意

🔬研究者:Provides causal evidence on green finance policy effectiveness and innovation mechanisms, useful for policy evaluation research.

🏢実務担当者:Highlights how access to green finance can support corporate low-carbon innovation strategies.

🏛政策担当者:Demonstrates the positive impact of green finance pilot zones, informing design of similar policies.

📄 Abstract（原文）

ABSTRACT Green finance policies (GFP) play a pivotal role in internalizing environmental externalities and fostering long‐term economic resilience. Leveraging the establishment of the ‘Green Finance Reform and Innovation Pilot Zone’ as a quasi‐natural experiment, this paper adopts a multi‐period difference‐in‐differences (DID) specification to investigate the impact of GFP on corporate low‐carbon innovation (LCI), based on a sample of Chinese A‐share listed firms from 2012 to 2023. Empirical results indicate that GFP exerts a significantly positive effect on overall corporate LCI; the effect is stronger for strategic LCI (ST‐LCI) than for substantive LCI (SU‐LCI). Mechanism testing indicates that GFP promotes LCI primarily by mitigating financing constraints, incentivizing R&D investment and enhancing intellectual property protection. Heterogeneity analyses suggest that the policy effect is more pronounced in firms with higher managerial human capital, those in highly competitive industries and those located in the southeastern coastal regions of China. Furthermore, we identify a positive spatial spillover effect of GFP on corporate LCI. This paper makes marginal contributions by classifying low‐carbon innovation, verifying multi‐channel mechanisms and identifying spatial spillovers, thereby providing empirical evidence and policy insights for advancing corporate low‐carbon transition.

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