Abstract

This study allocates the CO2 emissions to China's 41 industries/sectors under the constraint of carbon emission intensity in reaching the 2030 reduction target. An integrated method based on input-output analysis and entropy weighting is proposed for the allocation. The results show that the production and distribution of electric power and heat power should undertake the largest shares, with CO2 emission reductions of 1825.98 million tons and 2673.69 million tons, respectively, corresponding to the carbon emission intensity reductions of 65% and 60%. The study further proposes a carbon reduction labeling scheme, to discriminate the emissions reduction obligations that the 41 industries/sectors should undertake. In addition, policy implications are provided to enhance their emissions reduction efficiency. Limitations of this approach are discussed so that future research directions can be identified.

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