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| Green Technology Innovation and Carbon Emission Efficiency:An Impact Mechanism Analysis and the Rebound Effect |
| Yang Haochang1,Zhong Shiquan1,Li Lianshui2 |
| (1.School of Economics & Management, Nanchang University, Nanchang 330031,China; 2.China Institute of Manufacturing Development, Nanjing University of Information Science & Technology, Nanjing 210044, China) |
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Abstract With the rapid development of global economy, the increasingly serious greenhouse effect poses a great threat to the survival and development of human society. It has become a global issue of how to effectively control the emissions of carbon dioxide and other greenhouse gases. To this end, China has pledged to reach the "dual carbon" goals, and proposed to speed up the green transformation of its development mode and promote green and low-carbon economic and social development. As the combination of green development and innovation-driven development concepts, green technology innovation plays an irreplaceable role in improving carbon emission efficiency and promoting the green transformation and upgrading of the economy. Therefore, under the background of realizing "dual carbon" goals and promoting high-quality economic development, it is helpful to explore effective ways to improve carbon emission efficiency from the perspective of green technology innovation and avoid the extensive development model of low resource utilization efficiency and heavy environmental pollution by studying the impact mechanism of green technology innovation on carbon emission efficiency. Moreover, it has important theoretical significance and practical values for accelerating the green transformation and upgrading of industrial structure, building a green, low-carbon and circular economic development system, and realizing the "dual carbon" goals.#br#From the perspectives of invented and improved green technology innovation, this paper uses the panel data of 30 provincial regions in China from 2006 to 2020 to analyze the impact of green technology innovation on carbon emission efficiency, and draws the following conclusions. (1) Both invented and improved green technology innovation are beneficial to the improvement of carbon emission efficiency on the whole, and the improved green technology innovation has a greater effect on the improvement of carbon emission efficiency. At the regional level, invented and improved green technology innovation have significantly promoted the improvement of carbon emission efficiency in the eastern and western regions, and the promotion effect of improved green technology innovation on carbon emission efficiency is greater than that of invented green technology innovation, but it is not significant in the central region. (2) Both environmental regulation and industrial structure upgrading have partial mediating effects on the impacts of invented and improved green technology innovation on carbon emission efficiency, while urbanization has the masking effect on the impacts of invented and improved green technology innovation on carbon emission efficiency. (3) The influence of invented and improved green technology innovation on carbon emission efficiency is moderated by energy intensity, and its marginal influence is changed from promotion to inhibition with the increase of energy intensity, that is, the influences of invented and improved green technology innovation on carbon emission efficiency present a clear "rebound effect". At the same time, the "rebound effect" of invented green technology innovation on carbon emission efficiency is greater than that of improved green technology innovation.#br#Compared with the existing studies, the marginal contribution of this paper is mainly reflected in three aspects. Firstly from the perspective of green patent types, this paper provides a causal identification of the internal mechanism of green technology innovation to improve carbon emission efficiency, and it further explores which is more conducive to improving carbon emission efficiency: invented green technology innovation or improved green technology innovation. Secondly by introducing environmental regulation, urbanization and industrial structure upgrading as mediating variables, it analyzes the transmission mechanism of the relationship among invented and improved green technology innovation and carbon emission efficiency, and reveals the indirect action mechanism of invented and improved green technology innovation to promote the improvement of carbon emission efficiency. Lastly this paper explores the "rebound effect" of different types of green technology innovation on carbon emission efficiency, and further uses a partially linear functional-coefficient model to carry out a visual analysis of the "rebound effect". By the end,it provides useful reference for promoting green low-carbon transformation of Chinese economy and realizing "double carbon" goals.#br#
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Received: 03 January 2023
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