Research On The Influence Factors Of China’s Manufacturing Carbon Emission And Its Block Heterogeneity From The Perspective Of Economic Relevance Network

Controlling and reducing the emission of greenhouse gases such as carbon dioxide is the main way to deal with climate change,and the current international carbon emission reduction situation is not optimistic.As one of the largest carbon emitters in the world,China’s carbon emissions mainly come from industrial energy consumption,as a typical high-energy-consuming industry,the emission reduction effect of manufacturing industry to a large extent determines the overall carbon emission reduction target.Accompanied with the acceleration of China’s industrialization process,the production model of manufacturing began to change,and the industrial linkages between sub-sectors gradually increased,and the carbon emissions of intermediate products flowed at the same time.According to relevant data,the proportion of indirect carbon emissions generated by the demand for intermediate products in the total carbon emissions has increased year by year,and carbon transfer among various sectors in the industry has been highlighted.Therefore,this paper quantitatively analyzes the carbon emission characteristics of various industry sectors,and then explores the impact of carbon transfer on the industry’s carbon emissions.The results of this study will help to understand the carbon emission characteristics of various manufacturing sectors in the context of industry linkages,and propose different carbon emission reduction policy recommendations based on carbon emission characteristics of different sectors,which has certain practical significance.First,based on the input-output table,this paper constructs the "output-carbon emissions" matrix of China’s manufacturing industry,and reasonably measures the carbon transfer volume within the industry and between industries in the manufacturing carbon emissions system.Then,the input-output table data is applied to the Social network analysis to form a carbon-related network of manufacturing industries.With the help of network characteristic variables,the overall structural characteristics and industry differences of China’s manufacturing carbon emissions are quantitatively analyzed.Finally,according to the feature-intensive and plate distribution characteristics of the manufacturing industry to classify,and select PCSE estimation method to explore the heterogeneity of carbon emissions impact effects of different types of manufacturing industries.The main conclusions of this paper are:(1)The structural characteristic of the manufacturing network have a significant impact on carbon emissions,and carbon transfer caused by the flow of intermediate products has effect on the carbon emissions from manufacturing.In the manufacturing industry chain,downstream industries have reduced their own carbon emissions through the use of intermediate products.The upstream industries provide raw materials and energy-intensive intermediate products for the midstream and downstream industries,resulting in an increase in their own carbon emissions.(2)The central characteristics of the manufacturing industry have a positive impact on carbon emissions.The increase in industrial linkages between industries,or the control of the industry’s carbon emissions from other manufacturing industries,will contribute to improve the overall carbon emissions of the manufacturing industry.(3)For different factor-intensive industries,labor-intensive industries are mainly located in the middle reaches of the industrial chain.The centrality corresponding to the industrial division of labor has a prominent effect on its carbon emissions.However,Capital-intensive manufacturing industries are basically located in the industrial chain.At both ends,the impact of centrality on carbon emissions is clearly insufficient.(4)For different types of sectors,the benefit-sector block is the industry leading carbon emissions in the carbon emission network and can transfer carbon to other industries to mitigate the impact of the network structure on its carbon emissions.While the spiller-industry shoulders too many carbon emission responsibilities through providing high-carbon products,and is constrained by the carbon emission network structure.The possible innovations in this paper are:(1)Based on the input-output table to construct the "output-carbon emissions" matrix,and the social network analysis is used to quantitatively analyze the structural characteristics of the carbon emissions network of manufacturing industries.The direct and indirect carbon emission related characteristics of the sub-sectors are expressed in the form of data.(2)Using the block model to reveal the clustering characteristics of the various sub-sectors of manufacturing industries in carbon emissions network,dividing the manufacturing sector into beneficiary and overflow blocks,and studying the heterogeneity of carbon emissions from different types of manufacturing industries from the perspective of network structure.The main policy recommendations of this paper are:to accelerate the elimination of outdated production technologies and the upgrading of advanced machinery and equipment in industries where direct carbon emissions are high or carbon emissions are mainly determined by their own production behavior,and to consider adopting carbon taxes on some high-carbon emission industries as soon as possible,including it into the national unified carbon emissions trading system.For a large number of high-emission,high-energy consumption inflows of the manufacturing industry,to increase its support for the development of cleaner production technology and the introduction of support to promote the reduction of the use of high-carbon intermediate products,optimize the production structure,and through the realization of industrial linkages.The backward technological spillover from upstream to downstream of the industrial chain has forced the transformation and upgrading of high-carbon industries.