The effects and mechanisms of low-carbon transition promoting air quality improvement: based on empirical evidence of low-carbon city pilot policy
低炭素移行が大気質改善を促進する効果とメカニズム：低炭素都市パイロット政策の実証的証拠に基づいて (AI 翻訳)
Chenxi Deng, Bingnan Guo
🤖 gxceed AI 要約
日本語
低炭素都市パイロット政策が都市の大気質に与える影響を、2008～2022年の中国282都市のパネルデータを用いた差分の差分法で分析。政策は大気質を有意に改善し、そのメカニズムはグリーン経済効率の向上と産業構造の高度化による。非省都・大都市・政府財政支出の多い都市で効果が大きく、インフラ整備水準が高いほど効果は減衰する。
English
Using a difference-in-differences model on panel data from 282 Chinese cities (2008-2022), this study finds that the low-carbon city pilot policy significantly improves urban air quality. The effect works through enhancing green economic efficiency and upgrading industrial structure. The benefits are larger in non-provincial capitals, larger cities, and cities with higher fiscal spending, but smaller in cities with better infrastructure.
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
日本の低炭素都市政策（例：環境モデル都市）の評価や改善に示唆を与える。中国の大規模実証データに基づく成果は、日本における政策効果の検証手法としても参考になる。
In the global GX context
Provides rigorous causal evidence on the co-benefits of low-carbon city policies for air quality, contributing to the global literature on climate policy evaluation. The differentiated effects by city characteristics offer lessons for policymakers designing place-based transition strategies.
👥 読者別の含意
🔬研究者:Offers a robust DID framework and mechanism analysis for evaluating low-carbon policy co-benefits.
🏛政策担当者:Highlights that low-carbon city pilots can improve air quality, with stronger effects in certain city types—useful for tailoring national transition policies.
📄 Abstract（原文）
In the context of the “Dual Carbon” strategic goals, promoting a comprehensive green transition of the economy and society has become a national strategic priority. Using the low-carbon city pilot policy as a quasi-natural experiment, this study empirically analyzes its impact on urban air quality and the underlying mechanisms. Based on panel data from 282 prefecture-level cities in China from 2008 to 2022, a multi-period difference-in-differences (DID) model is constructed. The results indicate that the low-carbon city pilot policy significantly improves urban air quality, a finding that remains robust after a series of rigorous tests. The policy primarily achieves this improvement by enhancing green economic efficiency and promoting industrial structure upgrading. Furthermore, the positive effects are more pronounced in non-provincial capital cities, larger cities, cities with greater local government fiscal investment and cities in high-energy-consumption regions. Interestingly, the level of urban infrastructure plays a negative moderating role; the more developed the infrastructure, the weaker the marginal improvement effect of the policy. Based on these findings, this study proposes policy recommendations, including implementing differentiated strategies and encouraging enterprises to actively pursue green transformation to achieve sustained air quality improvement.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.3389/fpubh.2026.1799779first seen 2026-06-13 04:52:38
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