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Environmental regulation, external attention, and green innovation in heavily polluting enterprises—A difference-in- differences test based on the implementation of the new environmental protection law
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Si-qi WANG1, Zhen-yu LIU2, Rong-zhi TIAN2, min JIN1, *
China Environmental Science | 2026, 46(2) : 1164 - 1175
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China Environmental Science | 2026, 46(2): 1164-1175
• Environmental Impact Assessment and Management •
Environmental regulation, external attention, and green innovation in heavily polluting enterprises—A difference-in- differences test based on the implementation of the new environmental protection law
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Si-qi WANG1, Zhen-yu LIU2, Rong-zhi TIAN2, min JIN1, *
Affiliations
  • 1.School of Ecology & Environment, Renmin University of China, Beijing 100872, China
  • 2.Department of Economics, Party School of the CPC Central Committee, Beijing 100091, China
Published: 2026-02-20
Outline
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To examine the impact of environmental regulations on corporate green innovation from the perspective of external attention, and to better promote the achievement of the "dual carbon" goal and high-quality economic development, this study took industrial enterprises listed on the Shanghai and Shenzhen A-shares from 2010 to 2022 as research objects, and used the difference-in-differences methodology to empirically analyze the impact of the implementation of the new environmental protection law on green innovation of heavily polluting enterprises. The study found that: (1) The implementation of the new environmental protection law was found to exert a significant inhibitory effect on the green innovation of heavily polluting enterprises, mainly reflected in its impact on the quantity of green innovation (2) From the perspective of the mechanism of external attention, analyst attention, institutional investor attention, and media attention were found to effectively mitigate the negative effects of the new environmental protection law on corporate green innovation (3) The impact of environmental regulations on corporate green innovation was shown to be heterogeneous across firms with different levels of digitalization, financing constraints, industry competition levels, and strategic orientations. The research results provide a new analytical framework and empirical basis for understanding the complex relationship between environmental regulation and corporate green behavior from an integrated "regulation-attention-innovation" perspective, offering implications for guiding corporate green transformation and building a multi-party governance system.

new environmental protection law  /  environmental regulation  /  corporate green innovation  /  external attention
王思琦, 刘镇瑀, 田容至, 靳敏. 环境规制、外部关注与重污染企业绿色创新——基于新环保法实施的双重差分验证. 中国环境科学, 2026 , 46 (2) : 1164 -1175 .
Si-qi WANG, Zhen-yu LIU, Rong-zhi TIAN, min JIN. Environmental regulation, external attention, and green innovation in heavily polluting enterprises—A difference-in- differences test based on the implementation of the new environmental protection law[J]. China Environmental Science, 2026 , 46 (2) : 1164 -1175 .
Year 2026 volume 46 Issue 2
62
13
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  • Receive Date:2025-06-17
  • Online Date:2026-10-08
  • Published:2026-02-20
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  • Received:2025-06-17
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Affiliations
    1.School of Ecology & Environment, Renmin University of China, Beijing 100872, China
    2.Department of Economics, Party School of the CPC Central Committee, Beijing 100091, China
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表12种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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