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The Impact of Digital Economy on the Cost of Carbon Emission Reduction—A Theoretical and Empirical Study Based on a Carbon Market Framework

デジタル経済が炭素排出削減コストに与える影響—炭素市場フレームワークに基づく理論的・実証研究 (AI 翻訳)

Yuguo Ji, Xinsheng Pang, Yu Yang

Sustainabilityプレプリント2025-11-02#炭素価格Origin: CN
DOI: 10.3390/su17219771
原典: https://doi.org/10.3390/su17219771

🤖 gxceed AI 要約

日本語

本研究は、デジタル経済が炭素市場のガバナンス強化を通じて排出削減コストを低減するメカニズムを理論・実証分析。中国30省のパネルデータ(2011-2022年)を用い、デジタル化が削減コストに逆U字効果を持つことを発見。外部チャネル(炭素市場の高度化)と内部チャネル(技術進歩・効率改善)の2経路を特定し、長期的にはエネルギー転換を加速する。

English

This study develops a carbon-market-consistent framework to show how digitalization reduces carbon abatement costs. Using panel data from 30 Chinese provinces (2011-2022), it finds an inverted-U effect of digital economy on abatement costs, with external (market sophistication) and internal (technology/efficiency) channels. Digitalization shifts the cost curve downward, accelerating the transition from internal mitigation to external trading, and structurally improves abatement efficiency in the long run.

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リーグやカーボンプライシングの本格導入が進む中、デジタル技術を活用した炭素市場の効率化・コスト低減の知見は示唆的。特に、排出量取引制度の設計やデジタル基盤整備に応用可能。ただし中国の制度・データに基づくため、日本の市場構造との違いを考慮する必要がある。

In the global GX context

This paper contributes to global GX discourse by empirically linking digitalization to carbon market efficiency and abatement cost reduction, a topic relevant to carbon pricing design worldwide. The inverted-U effect and dual-channel mechanism offer insights for policymakers in emerging carbon markets (e.g., China, Korea, and potentially Japan's GX League). It also supports the role of digital infrastructure in enhancing market liquidity and compliance, aligning with ISSB's emphasis on technology-enabled disclosure.

👥 読者別の含意

🔬研究者:Provides a theoretical and empirical framework linking digital economy to carbon abatement costs, with panel data evidence and mechanism analysis.

🏢実務担当者:Highlights how digitalization can reduce compliance costs and improve carbon market participation, useful for corporate sustainability strategy.

🏛政策担当者:Offers evidence that digital infrastructure investment can lower the social cost of emission reductions, informing carbon market design and digital policy integration.

📄 Abstract(原文)

A central sustainability question is how the digital economy helps societies decarbonize at lower cost. We develop a carbon-market-consistent framework to show how digitalization can strengthen market governance, reduce regional carbon-abatement costs, and accelerate green transformation. Using data for 30 Chinese provinces from 2011–2022, we estimate panel fixed-effects models and conduct numerical simulations to test the digital economy’s dynamic, inverted-U-shaped effect on abatement costs, accounting for internal and external drivers. The digital development shifts the abatement–cost curve downward and leftward by speeding the transition from internal mitigation costs to external trading costs, enabling regions to reach the cost-reduction stage earlier and at lower overall cost. Mechanism evidence indicates two channels: externally, digitalization enhances carbon-market sophistication (liquidity, price discovery, and compliance efficiency); internally, it promotes technological progress and energy-efficiency improvements that raise emission-reduction productivity. In the short run, emissions trading provides external incentives that buffer production-cost pressures from digital-capital investment; in the long run, digital growth accelerates the energy transition and structurally increases abatement efficiency. Heterogeneity analysis shows a more pronounced inverted-U in central and western provinces, while eastern provinces have largely entered a sustained cost-decline phase. By lowering the social cost of achieving emissions targets, the digital economy directly supports sustainable development and China’s green, low-carbon transition.

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