Environmental Regulation and Carbon Emissions: “Forced Emission Reduction” or “Green Paradox”? Empirical Evidence from 272 Cities at or above Prefecture-Level in China

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Environmental regulation effectively reduces carbon emissions in Chinese cities through technological progress and foreign investment, supporting the "forced emission reduction" and "pollution halo" hypotheses.

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This paper analyzes how environmental regulation affects carbon emissions in 272 Chinese cities at or above the prefecture level from 2003 to 2020, using a composite index to quantify urban environmental regulation intensity and comparing spatiotemporal trends in total carbon emissions. The authors apply spatial autoregressive and mediating effect models to test both the direct impact of regulation and the mechanisms through which it operates. They report that environmental regulation significantly inhibits carbon emissions, supporting the “forced emission reduction” theory, and find mediation via technological progress (consistent with Porter’s hypothesis) and via foreign investment (consistent with the “pollution halo” hypothesis). The paper is a preprint and explicitly notes it has not been peer reviewed, which is a major limitation regarding the strength of the evidence. The paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Abstract As the concept of green development takes deeper root, China’s environmental regulation model, which features the government as the linchpin supplemented by market forces, has emerged as a crucial springboard for driving continuous ecological improvement and building a beautiful nation. In this context, delving into the mechanics and mapping out the long-term road map of how environmental regulation can propel carbon emission cuts is an essential prerequisite for today’s ecological civilization drive. Based on the panel data of 272 cities at or above the prefecture level in China from 2003 to 2020, this paper uses the composite index method to measure the intensity of urban environmental regulation, and analyzes the spatiotemporal distribution pattern and evolutionary trend of total carbon emissions and environmental regulation intensity respectively. Spatial autoregressive model and mediating effect model are used to investigate the impact and transmission mechanism of environmental regulation on carbon emissions. On the basis of empirical analysis, conclusions are drawn as follows: first, environmental regulation can effectively inhibit carbon emissions, which strongly supports the “forced emission reduction theory”; second, technological progress plays a part of the mediating effect in the impact of environmental regulation on carbon emissions, which effectively supports Porter’s hypothesis; third, foreign investment plays a part of the mediating effect in the impact of environmental regulations on carbon emissions, which effectively supports the “pollution halo hypothesis”. Based on the above conclusions, this paper finally puts forward the relevant policy recommendations to achieve the goal of “dual carbon”.
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Environmental Regulation and Carbon Emissions: “Forced Emission Reduction” or “Green Paradox”? Empirical Evidence from 272 Cities at or above Prefecture-Level in China | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Environmental Regulation and Carbon Emissions: “Forced Emission Reduction” or “Green Paradox”? Empirical Evidence from 272 Cities at or above Prefecture-Level in China Guichao Jin, Guoliang Wang, Wenjing Li, Haoxuan Sheng, Yanfei Zhao, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5558948/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 24 Nov, 2025 Read the published version in Scientific Reports → Version 1 posted 10 You are reading this latest preprint version Abstract As the concept of green development takes deeper root, China’s environmental regulation model, which features the government as the linchpin supplemented by market forces, has emerged as a crucial springboard for driving continuous ecological improvement and building a beautiful nation. In this context, delving into the mechanics and mapping out the long-term road map of how environmental regulation can propel carbon emission cuts is an essential prerequisite for today’s ecological civilization drive. Based on the panel data of 272 cities at or above the prefecture level in China from 2003 to 2020, this paper uses the composite index method to measure the intensity of urban environmental regulation, and analyzes the spatiotemporal distribution pattern and evolutionary trend of total carbon emissions and environmental regulation intensity respectively. Spatial autoregressive model and mediating effect model are used to investigate the impact and transmission mechanism of environmental regulation on carbon emissions. On the basis of empirical analysis, conclusions are drawn as follows: first, environmental regulation can effectively inhibit carbon emissions, which strongly supports the “forced emission reduction theory”; second, technological progress plays a part of the mediating effect in the impact of environmental regulation on carbon emissions, which effectively supports Porter’s hypothesis; third, foreign investment plays a part of the mediating effect in the impact of environmental regulations on carbon emissions, which effectively supports the “pollution halo hypothesis”. Based on the above conclusions, this paper finally puts forward the relevant policy recommendations to achieve the goal of “dual carbon”. Earth and environmental sciences/Environmental sciences Earth and environmental sciences/Environmental social sciences Environmental regulation Carbon emissions Technological progress Foreign investment Full Text Additional Declarations No competing interests reported. Supplementary Files RawData.zip Cite Share Download PDF Status: Published Journal Publication published 24 Nov, 2025 Read the published version in Scientific Reports → Version 1 posted Editorial decision: Revision requested 24 Mar, 2025 Reviews received at journal 08 Mar, 2025 Reviews received at journal 07 Mar, 2025 Reviewers agreed at journal 04 Mar, 2025 Reviewers agreed at journal 04 Mar, 2025 Reviewers invited by journal 04 Mar, 2025 Editor assigned by journal 04 Mar, 2025 Editor invited by journal 04 Mar, 2025 Submission checks completed at journal 04 Mar, 2025 First submitted to journal 01 Dec, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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