貿易を統治し、炭素を統治する：RTAの環境条項はグローバル・バリューチェーン内の炭素不平等にどう影響するか
Governing trade, governing carbon: How environmental provisions in RTAs affect carbon inequality within global value chains? (原題)
Ziyu Yi, Yilan Chen, Wang Zhaoyang
🤖 gxceed AI 要約
日本語
80経済・50産業の多地域産業連関モデルを用い、付加価値獲得と炭素負担の非対称性を二国間炭素不平等として計測。RTAの環境条項が深いほど、汚染集約的輸出の抑制とグリーン技術格差の縮小を通じて炭素不平等を有意に緩和することを示す。効果は南北ペアで弱く、汚染集約的製造業や参加型条項で顕著である。
English
Using a multi-regional input–output model across 80 economies and 50 industries, the paper measures bilateral carbon inequality from a value-capture perspective. Deeper environmental provisions in RTAs significantly reduce this inequality by curbing pollution-intensive exports and narrowing green-technology gaps, with effects strongest in North-North and South-South pairs, pollution-intensive manufacturing, and participatory provisions.
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
日本企業のScope 3・サプライチェーン排出管理やSSBJ開示において、貿易協定の環境条項がGVC上の炭素負担配分に与える影響を理解する材料となる。特にアジア域内のRTA（RCEP等）設計を巡る政策議論に示唆。
In the global GX context
Adds empirical evidence to the global debate on how trade policy can complement climate disclosure frameworks (TCFD/ISSB) by addressing carbon burden allocation within GVCs, relevant to CBAM and supply-chain due diligence discussions.
👥 読者別の含意
🔬研究者:GVC炭素会計と貿易政策の交差領域における二国間不平等の計測手法と実証結果を提供。
🏢実務担当者:RTA環境条項の強化がサプライチェーン上の炭素コスト配分や調達リスクに与える影響を評価する視点。
🏛政策担当者:貿易協定の環境条項設計が炭素不平等緩和に有効であることを示す政策エビデンス。
📄 Abstract（原文）
Environmental provisions in regional trade agreements (RTAs) play an important role in aligning trade with environmental objectives and mitigating carbon inequality. Using data covering 80 economies and 50 industries, we apply a multi-regional input–output model to construct a bilateral measure of carbon inequality from a value-capture perspective and examine whether deeper environmental provisions mitigate it. Three main findings emerge. First, we document pronounced asymmetries between countries’ value added gains and the carbon burdens they bear within global value chains (GVCs). Second, deeper environmental provisions significantly reduce bilateral carbon inequality by curbing pollution-intensive exports and narrowing green-technology gaps between RTA partners. Third, their effectiveness varies systematically across country pairings, industries, and provision types. The mitigating effect is evident in North-North and South-South pairs but weaker in North-South pairs, as the difference is systematically associated with asymmetries in forward and backward GVC participatiotexn. It is particularly pronounced in pollution-intensive manufacturing and for participatory environmental provisions. These findings provide policy-relevant evidence on how trade agreements can be designed to advance both economic integration and global climate governance.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1016/j.iref.2026.105985first seen 2026-11-05 05:05:16 · last seen 2026-11-06 04:46:33
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