炭素排出権取引パイロット政策が企業の債務調達コストに与える影響
The Impact of Carbon Emission Trading Pilot Policy on the Cost of Corporate Debt Financing (原題)
Linqi Lin
🤖 gxceed AI 要約
日本語
中国の地域炭素排出権取引パイロットを準自然実験とし、二重差分法で企業の債務調達コストへの影響を検証。パイロット地域企業の平均債務コストは約0.71%上昇し、各種頑健性検証でも安定。機構として炭素取引が企業の現金保有を抑え、流動性収縮が債権者のリスク補償要求を高める経路を特定。非国有企業・若年企業で上昇が顕著で、低炭素転換への資金支援と炭素市場の情報品質向上を提言する。
English
Using China's regional carbon ETS pilots as a quasi-natural experiment, this study applies a two-way fixed-effects DID model to A-share listed firms (2010–2020). Pilot implementation raised average debt financing costs by about 0.71%, robust to placebo and parallel-trend tests. The mechanism runs through reduced corporate cash holdings, tightening liquidity and raising creditors' risk compensation. Cost increases concentrate in non-state-owned and young firms, pointing to needs for transition financing support and better carbon-market information quality.
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GX推進・カーボンプライシング（GX-ETS、炭素賦課金）の制度設計が進む中、炭素価格が企業の資金調達コストに波及する短期経路を示す貴重な実証。SSBJ開示や移行金融の議論で、炭素規制の財務影響を投資家・企業がどう織り込むかを考える材料になる。
In the global GX context
As ISSB/CSRD and TCFD-aligned disclosure push carbon costs into financial statements, this paper offers direct empirical evidence that carbon pricing transmits to firms' cost of debt via liquidity channels. It informs transition-finance design and the debate on whether carbon markets impose short-term financing burdens that green finance policy must offset.
👥 読者別の含意
🔬研究者:炭素価格が債務コストへ波及する流動性経路をDIDで識別した実証として、カーボンプライシングと気候ファイナンス研究の参照点になる。
🏢実務担当者:炭素規制対象地域の企業は、現金保有・流動性管理と債権者向けの気候リスク開示を財務コスト管理の観点で見直す必要がある。
🏛政策担当者:炭素市場導入時に非国有・若年企業の資金制約が強まる点を踏まえ、差別化されたグリーン金融支援と炭素市場の情報品質向上を設計に組み込むべき。
📄 Abstract（原文）
Based on the data of A-share listed companies from 2010 to 2020, this paper regards the pilot of local carbon emissions trading as a quasi natural experiment, and uses a two-way fixed effect double difference model to investigate the impact of carbon trading policy on corporate debt financing costs. The results show that after the implementation of the pilot policy, the average debt financing cost of enterprises in the pilot area increased by about 0.71%, and remained stable in the replacement variable caliber, adjusted sample, placebo test and parallel trend test. The results of the mechanism show that the carbon trading pilot significantly depresses the cash holdings of enterprises, and the liquidity contraction increases the risk compensation requirements of creditors, which constitutes an important channel for policies to push up the cost of debt financing. Heterogeneity analysis further found that the rise in financing costs was mainly concentrated in non-state-owned enterprises and young enterprises. The research shows that the carbon market will generate observable short-term financing cost pressure in the pilot operation stage while forming long-term emission reduction incentives; Improving the financing support for enterprises' low-carbon transformation, improving the quality of carbon market information and implementing differentiated green financial policies will help reduce the liquidity constraints in the transformation process.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.54254/2754-1169/2026.gt38184first seen 2026-10-29 04:46:21 · last seen 2026-11-06 04:46:08
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