ESG開示はサウジアラビアで企業リスクを低減するか？Tadawul上場企業を対象とした動学的システムGMMによる証拠
Does ESG Disclosure Reduce Firm Risk in Saudi Arabia? Dynamic System GMM Evidence from Tadawul-Listed Companies (原題)
Mohammed Ali Alghamdi, Shadia Daoud Gamer, Abdelmjeed Abdelrahim Ali Alajab, Hassan Ali Alqahtani, Asaad Mubarak Hussien Musa
🤖 gxceed AI 要約
日本語
サウジアラビアのTadawul上場非金融73社を2015〜2024年にわたり分析し、ESG開示が企業リスク（株価収益率の標準偏差）を低減するか、取締役会独立性の調整効果に注目して検証した。固定効果モデルと動学的システムGMMの結果、ESG開示のリスク低減効果は一様ではなく、取締役会独立性が高い場合にのみ有意にリスクを下げることが示された。規制当局にはESG報告義務と取締役会独立性の強化を組み合わせることを、企業にはガバナンス改革をサステナビリティ報告の補完として位置づけることを提言している。
English
Using 73 non-financial Tadawul-listed firms (2015–2024), this study tests whether ESG disclosure reduces firm risk, focusing on board independence as a moderator. Fixed-effects and dynamic System GMM results show the risk-reducing effect is conditional: ESG disclosure lowers risk mainly when board independence is high. The authors recommend pairing ESG reporting mandates with stronger board-independence enforcement and treating governance reform as a complement to sustainability reporting.
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SSBJ基準の導入や有報でのサステナビリティ開示が進む中、ESG開示の効果がガバナンス構造に依存するという知見は、開示制度設計とコーポレートガバナンス・コードの実効性を議論する上で参考になる。特に、開示の質を高めるには取締役会の独立性確保が不可欠であるという示唆は、日本企業の統合報告や投資家対応を考える際に有用である。
In the global GX context
This study adds to the global disclosure literature by showing that ESG reporting's risk-reduction benefits are governance-dependent, echoing debates under ISSB/TCFD about the interplay between disclosure and board oversight. For emerging markets and beyond, it suggests that mandating ESG reporting without strengthening board independence may yield limited risk benefits, informing regulators designing CSRD-like frameworks.
👥 読者別の含意
🔬研究者:ESG開示と企業リスクの関係がガバナンス要因に条件付けられることを示す実証手法（システムGMM）と理論的枠組みを提供する。
🏢実務担当者:ESG開示のリスク低減効果を享受するには、取締役会の独立性強化などガバナンス改革を同時に進める必要があると示唆する。
🏛政策担当者:ESG報告義務を導入する際、取締役会独立性の規制強化と組み合わせることで、開示の実効性を高められる可能性がある。
📄 Abstract（原文）
This study examines whether environmental, social, and governance (ESG) disclosure reduces firm risk among 73 non-financial Tadawul-listed companies in Saudi Arabia over 2015–2024, with particular attention to the moderating role of board independence. Firm risk is measured as the annualized standard deviation of daily stock returns, and ESG disclosure is captured by the LSEG (Refinitiv) ESG score. A two-way (firm and year) fixed-effects model with Windmeijer-consistent inference is used as the primary specification to identify the within-firm association between ESG disclosure and firm risk, while a two-step dynamic System Generalized Method of Moments (System GMM) estimator is reported as a robustness approach to address dynamic persistence, reverse causality, and unobserved heterogeneity. The findings indicate that the effect of ESG disclosure on firm risk is conditional rather than uniform. In the fixed-effects baseline, ESG disclosure is associated with lower firm risk, and this conditional pattern is confirmed under System GMM: once the interaction with board independence is introduced, the direct effect is no longer risk-reducing; instead, the negative and highly significant interaction term shows that ESG disclosure lowers firm risk mainly when board independence is high. Leverage consistently raises firm risk, while profitability reduces it in the moderation model. The study recommends that regulators pair ESG reporting requirements with stricter board-independence enforcement, that firms treat governance reform as a complement to sustainability reporting rather than a substitute, and that investors interpret ESG disclosure jointly with board structure when assessing firm risk. The study contributes to stakeholder, signaling, and agency theory by showing that ESG disclosure operates as a governance-dependent risk-management mechanism rather than an unconditional one.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.3390/su181910221first seen 2026-10-10 05:15:40
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