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Balancing Ecosystem Carbon Storage and Economic Development: An Environmental Disparity Perspective in China

生態系炭素貯蔵と経済発展のバランス：中国における環境格差の視点 (AI 翻訳)

Kong Z, Zhang H, Liu M, Li J

Research Squareプレプリント2026-05-14#炭素価格Origin: CN
DOI: 10.21203/rs.3.rs-9317757/v1
原典: https://doi.org/10.21203/rs.3.rs-9317757/v1

🤖 gxceed AI 要約

日本語

この研究は、中国の生態系炭素貯蔵量と経済発展の空間的不均衡を評価し、高解像度の炭素貯蔵アカウントとCarbon-improved GDP (C-GDP)指標を用いて地域間の不平等を定量化した。シミュレーションにより、地域差別的な炭素価格と累進的炭素税の組み合わせが最も効果的に不平等を低減できることを示した。市場メカニズムだけでは不十分で、標的政策が必要である。

English

This study quantifies the spatial mismatch between ecosystem carbon storage and economic development in China using a high-resolution carbon storage account and a Carbon-improved GDP (C-GDP) metric. It finds persistent regional inequality (Gini >0.51) and shows that combining regionally differentiated carbon pricing with a progressive carbon tax effectively reduces inequality. The study concludes that targeted policies are essential for equitable carbon neutrality pathways.

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

中国のカーボンニュートラル政策における地域間公平性の重要性を示す。日本のGX政策でも、地域間格差や炭素価格設計の参考になる可能性がある。

In the global GX context

This paper highlights the need for spatial equity in carbon neutrality policy, offering a framework that can inform global discussions on carbon pricing and redistribution mechanisms. It provides empirical evidence from China that market mechanisms alone are insufficient to address regional disparities.

👥 読者別の含意

🔬研究者:Provides a novel metric (C-GDP) and policy simulation framework for analyzing eco-economic equity that can be adapted to other countries.

🏛政策担当者:Demonstrates that differentiated carbon pricing and progressive taxes can reduce spatial inequality, informing climate policy design.

📄 Abstract（原文）

<title>Abstract</title> <p>Background Achieving carbon neutrality requires balancing ecosystem carbon storage and economic development to ensure environmental and social equity. However, few national-scale studies have quantified the spatial relationships between ecosystem carbon storage and economic development, or examined how policy interventions could mitigate these disparities. This study addresses this gap by evaluating eco-economic equity dynamics in China under multiple policy scenarios. Results We integrated multi-source datasets to construct a high-resolution, multi-pool account of China’s terrestrial ecosystem carbon storage, then applied a Carbon-improved GDP (C-GDP) metric to assess equity. Results reveal a severe spatial mismatch: western carbon-rich regions hold 74.6% of national carbon stocks but contribute less than 5% of C-GDP, while economically developed eastern regions dominate C-GDP with lower carbon endowments. The monetized carbon value in C-GDP declined to 2.67% by 2020, and the Dagum Gini coefficient remained above 0.51, indicating persistent regional inequality. Policy simulations show that combining regionally differentiated carbon pricing (302.4 CNY/ton) with a six-tier progressive carbon tax most effectively reduces inequality, lowering the Gini coefficient to 0.49. Conclusions Our findings demonstrate that market mechanisms alone cannot resolve spatial eco-economic inequities. Targeted policy measures are essential to align ecological and economic values, ensuring more equitable and sustainable pathways toward carbon neutrality in China.</p>

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