Abstract
Abstract To accomplish clean air and carbon peaking and neutrality goals in the new development stage, it is essential to synergize air contamination and carbon emission reduction. This research assesses the synergistic effect between air contamination and carbon emission reduction of the carbon emissions trading (CET) pilot policy in China using the difference-in-differences (DID) model. The results demonstrate that, first, this policy has a dual impact by considerably reducing both carbon emissions and PM2.5 emissions. Second, the pilot policy can decrease carbon emissions through "pollution-to-carbon" synergistic control effect, which enables the incentive and restraint functions to be strengthened for trading carbon emissions. Nevertheless, the synergistic control effect of "carbon-to-pollution" is not significant since the replacement effect produced by investment pressure. Third, the synergy between air contamination and carbon emission management in pilot areas substantially reduces pollution emissions, suggesting that a greater degree of synergistic control generates more effective incentive or restraint effect.
Published Version
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