炭素リスク、会計保守主義、および財務的マテリアリティ採用の調整効果：国際的証拠
Carbon risk, accounting conservatism and the moderating role of financial materiality adoption: international evidence (原題)
Yesmine Khlif, Jamel Chouaibi
🤖 gxceed AI 要約
日本語
高排出17カ国315社の2020〜2024年パネルデータを用い、炭素リスクが条件付き会計保守主義に与える影響を検証。炭素リスクは保守主義を低下させ、財務的マテリアリティ（FM）原則の採用がこの負の関係をさらに増幅することを示す。環境開示の外部保証もこの効果を緩和せず、FMの「象徴的実施」の可能性を示唆する。
English
Using a 2020–2024 panel of 315 high-emission firms across 17 countries, this study finds carbon risk reduces conditional accounting conservatism, and that adoption of the financial materiality (FM) principle amplifies this negative relationship. External assurance of environmental disclosures does not mitigate the effect, suggesting symbolic implementation of FM. Results are robust to alternative measures and endogeneity checks.
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
SSBJ基準・有報開示でマテリアリティ原則の導入が進む日本企業にとって、開示が会計の慎重性を損なう「意図せざる帰結」は投資家・監査人への重要な警告となる。保証取得だけでは実効性を担保できない点は国内開示制度設計にも示唆的。
In the global GX context
As ISSB/CSRD embed financial materiality, this paper warns that FM adoption may erode accounting prudence rather than improve carbon-risk recognition—directly relevant to standard setters, auditors and assurance providers debating disclosure effectiveness.
👥 読者別の含意
🔬研究者:炭素リスクと会計品質の関係、およびマテリアリティ原則の意図せざる帰結に関する実証的枠組みを提供する。
🏢実務担当者:開示・保証対応が会計上の慎重性や引当認識に与える影響を再点検する材料になる。
🏛政策担当者:マテリアリティ原則や外部保証の制度設計が実効性を持つか、象徴的実施を防ぐ仕組みの検討に資する。
📄 Abstract（原文）
This paper aims to investigate the direct effect of carbon risk on conditional accounting conservatism and examine the moderating role of the adoption of the financial materiality (FM) principle. This study conducts multivariate regression analysis on a panel of 315 firms from high-emission sectors across 17 countries (2020–2024), drawing on the Refinitiv Eikon and Bloomberg databases. The results indicate that carbon risk has a negative effect on conditional conservatism. FM further amplifies this negative relationship. As this reporting principle is intended to enhance transparency and promote the timely recognition of carbon risk, the finding may be consistent with its symbolic implementation. Robustness checks show that external assurance of environmental disclosures neither mitigates this delayed recognition nor attenuates the amplifying effect of FM. The findings remain robust under alternative measures and after addressing potential endogeneity concerns. This study offers post-2020 evidence on the relationship between carbon risk and conditional conservatism, addressing a literature that remains limited, mixed and largely rooted in earlier regulatory contexts. Moreover, whereas prior research has primarily examined FM’s implications for non-financial disclosure, this study shifts attention to its unintended consequences for accounting prudence. The results offer policy-relevant implications for highly polluting firms, auditors and investors amid the growing salience of corporate carbon risk.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.1108/jfra-03-2026-0195first seen 2026-11-12 05:59:47 · last seen 2026-11-14 06:05:03
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