Research on Inter-regional Implied Carbon Emission Transfer Responsibility under the Spillover Effect of China's Carbon Trading Pilot Policy
As there are many differences in resource endowments and industrial division of labor among regions at different stages of economic development in China,the extensive and close regional ties among provinces and regions have led to new obstacles and challenges to the realization of China's"dual-carbon"goal.Among them,the construction of carbon markets in different regions has exacerbated the risks arising from the uneven distribution of rights and responsibilities,such as"carbon leakage"and"free-riding",which greatly impedes the promotion of a unified national carbon market and the realization of the"dual-carbon"goal.The existing research has addressed the issues of"carbon leakage"and"free-riding".Although the current study involves the impact of carbon emission reduction policy tools(carbon tax,energy price)and the transfer of implied carbon emission responsibility,there is little literature exploring the relationship between carbon trading policy and the transfer of implied carbon emission responsibility among regions.At the same time,there is still no consensus on whether the implementation of carbon trading pilot policies has a significant impact on the transfer of carbon emission responsibility from a region to neighboring.Based on the multi-period difference model and spatial difference model,the direct and spillover effects of the implementation of the pilot carbon trading policy on local-neighboring carbon emission reduction are evaluated,and the pilot carbon trading policy is analyzed as a driver of the transfer of the implied carbon emission responsibility from the pilot regions to other non-pilot regions from a realistic perspective.It finds that,first,the carbon trading pilot policy effectively promotes the carbon emission reduction effect in the pilot regions,and the conclusion passes a series of robustness tests.Second,the implementation of the carbon trading pilot policy effectively reduces local direct carbon emissions and indirect carbon emissions transferred from neighboring areas to local areas in the pilot regions,but the pilot regions will transfer their own carbon emission responsibilities to non-pilot regions with similar economic geographic proximity and similar economic development status.Third,in the current stage of carbon trading policy implementation,the pilot regions are all net carbon liability transfer areas in China,and the implementation of carbon trading pilot policy has driven the transfer of implied carbon emission liability from the pilot regions to non-pilot regions,and the transfer of implied carbon emission liability among non-pilot regions is not affected by the policy effect,which is aimed at improving their economic development level.In view of that,when improving the initial quota allocation program of the inter-regional carbon trading market at the national level,it is necessary to take the regional implied carbon emission responsibility transfer effect driven by the carbon trading pilot policy into account in the existing allocation program,and appropriately increase the proportion of the net carbon transfer sharing responsibility from the pilot regions to the non-pilot regions.Regional governments and relevant departments should dock their own carbon trading market construction to trading role status and carbon emission responsibility positioning in China's carbon emission spatial correlation network,and in addition to improving their own internal carbon trading market quota allocation program,external supporting initiatives are also needed to take the carbon transfer responsibility.In addition,given that the interregional synergistic emission reduction model is an important part of the regional integration development strategy,each region should accelerate the enhancement of the level of synergistic carbon reduction within the region and among economic regions,so as to effectively weaken the negative spatial spillover effect of the carbon trading pilot market policy.
carbon trading pilot policyimplied carbon emission transfer responsibilitystaggered differences-in-differences modelspatial difference-in-differences modeleconomic region
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