期刊
JOURNAL OF ENVIRONMENTAL MANAGEMENT
卷 314, 期 -, 页码 -出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2022.115054
关键词
Emissions trading scheme; Price and scale effects; Carbon emission reduction; Industrial and energy structure transition
This paper evaluates the CO2 reduction effect of China's emission trading scheme (ETS) pilot markets by analyzing the impact of transaction price and volume on CO2 reduction. The findings suggest that increasing transaction price and expanding transaction volume have a significant influence on CO2 reduction. Rising transaction price can effectively reduce CO2 emissions by improving energy structure transition, while the expansion of transaction volume may drive emission reduction through optimization of industrial structure and the development of ICT. Additionally, the paper identifies synergistic effects among different types of pollutants.
Constructing and adopting a county-level panel dataset containing carbon emission (CO2) and economic information between 2009 and 2017, this paper employs the continuous difference-in-differences (DID) model and is among the first to conduct an evaluation of the CO2 reduction effect of China's emission trading scheme (ETS) pilot markets from the dual perspectives of price and scale. The empirical results emerge that the increase of transaction price and the expansion of transaction volume in ETS pilots have a persistent and significant influence on CO2 reduction. Parallel to this, it is found the rising of transaction price in ETS can be effective on CO2 reduction by improving the energy structure transition, however, optimization of industrial structure and the development of ICT might be the essential channels driven by the expansion of transaction volume. Last, this paper identifies the synergistic effect on different sorts of contaminants and find it is more substantial to those with the gas state. This paper implies that the policymakers should fully excavate the market-oriented environmental regulation tools from transaction price and volume perspective of views for the well achieving the climate ambitions of carbon peak and neutrality.
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