pilot low-carbon city policy;
green innovation;
difference-in-difference;
temporal-spatial heterogeneity;
intermediary mechanism;
TOTAL FACTOR PRODUCTIVITY;
ENVIRONMENTAL-REGULATION;
HETEROGENEOUS INFLUENCE;
INVESTMENT EVIDENCE;
GROWTH EVIDENCE;
CHINA;
IMPACT;
REGULATIONS;
CITIES;
D O I:
10.3390/ijerph20010561
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
Enhancing green innovation levels is an important objective of the pilot low-carbon city policy (PLCC) in China, but the spatial and temporal heterogeneity of the PLCC policy's effect on green innovation is unclear. Based on panel data from 285 Chinese cities during 2005-2020, this paper assesses the impact of PLCC on regional green innovation using the difference-in-difference (DID) method. The empirical results demonstrate that the PLCC can obviously promote urban green innovation. In terms of the temporal dimension, the policy effect of PLCC on regional green innovation shows an inverted "U" shape and peaks in the seventh year after implementation. From the spatial dimension, the PLCC can promote surrounding cities' green innovation through spatial spillover effects within 200 km, and the spillover effect decreases with increasing distance. Mechanism analysis indicates that the PLCC policy can promote regional green innovation by enhancing regional environmental regulations and alleviating financing constraints. This paper explores the temporal and spatial policy effects of PLCC, which can provide effective paths and policy recommendations for China to achieve its "dual carbon" goals.
机构:
Southwest Petr Univ, Sch Econ & Management, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Econ & Management, Chengdu 610500, Peoples R China
Li, Qiaochu
Zhang, Peng
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机构:
Southwest Petr Univ, Sch Civil Engn & Geomat, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, Sch Econ & Management, Chengdu 610500, Peoples R China
机构:
Univ Chinese Acad Social Sci, Fac Appl Econ, Beijing 102488, Peoples R ChinaUniv Chinese Acad Social Sci, Fac Appl Econ, Beijing 102488, Peoples R China
Ji, Zhixuan
Liu, Baoliu
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机构:
Beijing Univ Technol, Sch Econ & Management, Beijing 100124, Peoples R China
Beijing Univ Technol, Inst Ecocivilizat Studies, Beijing 100124, Peoples R ChinaUniv Chinese Acad Social Sci, Fac Appl Econ, Beijing 102488, Peoples R China
机构:
Northeast Normal Univ, Sch Econ & Management, Changchun 130117, Peoples R ChinaNortheast Normal Univ, Sch Econ & Management, Changchun 130117, Peoples R China
Ren, Huimin
Gu, Guofeng
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机构:
Northeast Normal Univ, Sch Geog Sci, Changchun, Peoples R ChinaNortheast Normal Univ, Sch Econ & Management, Changchun 130117, Peoples R China
Gu, Guofeng
Zhou, Honghao
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机构:
Northeast Normal Univ, Sch Geog Sci, Changchun, Peoples R ChinaNortheast Normal Univ, Sch Econ & Management, Changchun 130117, Peoples R China
机构:
Chongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R China
Chongqing Technol & Business Univ, Inst Reg Econ Res, Chongqing 400067, Peoples R ChinaChongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R China
Ren, Yi
Yang, Fei
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机构:
Chongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R ChinaChongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R China
Yang, Fei
Liu, Kang
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机构:
Chongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R ChinaChongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R China
Liu, Kang
Liang, Tian
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机构:
Chongqing Jiaotong Univ, Sch Econ & Management, Chongqing 400074, Peoples R ChinaChongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R China
Liang, Tian
Wang, Lihua
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机构:
Chongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R ChinaChongqing Technol & Business Univ, Inst Chengdu Chongqing Econ Zone Dev, Chongqing 400067, Peoples R China