It's Not Easy Being Green: Evidence on Corporate Green Bonds and Firm-Level Emissions Intensity
グリーンであることは容易ではない：企業グリーンボンドと企業レベルの排出原単位に関する証拠 (AI 翻訳)
Jocelyn Chu
🤖 gxceed AI 要約
日本語
本論文は、2018年から2021年にグリーンボンドを発行した30社の非金融企業を対象に、発行後のScope1・2排出原単位の変化を分析。イベントスタディの結果、発行後に負の傾向は見られるが統計的に有意ではなく、グリーンボンドが直接的な排出削減に寄与する証拠は限定的であることを示す。
English
This paper examines whether corporate green bond issuance leads to reductions in firm-level carbon emissions intensity. Using a panel event study of 30 non-financial firms from 2018-2021, it finds post-issuance coefficients negative but not statistically significant, providing limited evidence that green bonds directly drive operational decarbonization.
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
日本ではグリーンボンド市場が拡大しているが、本論文の結果はグリーンボンドが自動的に排出削減をもたらすわけではないことを示唆。SSBJや有報でのグリーンボンドの効果開示において、実際の環境改善との紐づけが重要であることを示す。
In the global GX context
This paper contributes to the global debate on the effectiveness of green bonds, relevant for TCFD/ISSB/CSRD disclosure frameworks. Its null results caution against treating green bonds as a direct decarbonization tool, emphasizing the need for complementary policies and transparent reporting of use-of-proceeds.
👥 読者別の含意
🔬研究者:Null results challenge the assumption that green bonds directly reduce emissions intensity, warranting further research on channels and longer time horizons.
🏢実務担当者:Issuers should not overclaim environmental impact from green bonds alone; combine with operational measures and robust reporting.
🏛政策担当者:Policymakers should design complementary regulations and incentives to ensure green bond proceeds lead to real emission reductions.
📄 Abstract（原文）
This paper examines whether corporate green bond issuance is associated with subsequent reductions in firm-level carbon emissions intensity. Using a panel event study framework and a sample of 30 publicly traded non-financial firms issuing green bonds between 2018 and 2021, I analyze changes in combined Scope 1 and Scope 2 emissions intensity across an event window spanning three years before to four years after issuance, controlling for firm and year fixed effects. While post-issuance coefficients trend consistently negative, none achieve statistical significance at conventional levels, and confidence intervals are wide across all event years. These findings provide limited evidence that green bond issuance leads to measurable operational decarbonization within the sample period, suggesting that green bonds may function more effectively as financing and reputational mechanisms than as direct drivers of firm-level emissions reduction. State-level socioeconomic heterogeneity among issuers and data limitations from third-party ESG sources contribute to the imprecision of the estimates.
🔗 Provenance — このレコードを発見したソース
- openaire https://doi.org/10.2139/ssrn.6762338first seen 2026-07-09 04:29:33
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