Title: Research on temporal and spatial evolution of comprehensive efficiency of technology innovation and carbon emission in China

Authors: Hongwei Li; Xin Li

Addresses: College of Economics and Management, Shandong University of Science and Technology, Qingdao 266510, Shandong, China ' College of Economics and Management, Shandong University of Science and Technology, Qingdao 266510, Shandong, China

Abstract: Spatiotemporal evolution of comprehensive efficiency of technology innovation and carbon emission in China from 2010 to 2019 is presented in this paper. The average comprehensive efficiency of China is 0.779, with the highest value being in the east region and the lowest in the middle region. It shows great regional differences in both comprehensive efficiency and sub-stage efficiency. The annual variations of sub-stages show different characteristics. The lower efficiency of the technology innovation stage is on the rise while the higher efficiency of the carbon emission stage is the opposite. The overall total factor productivity (TFP) of China is 0.995, and is down by 0.55%. There is still an uptrend in TFP since 2016. The average TFP in the three regions is more than one. The lack of coordination between the two sub-stages is glaring. After decomposition, the efficiency change in the technology innovation stage and the technology change in the carbon emission stage should be focused on.

Keywords: total factor productivity; TFP; SBM model; technology innovation; carbon emission; comprehensive efficiency; China.

DOI: 10.1504/IJGW.2022.10051028

International Journal of Global Warming, 2022 Vol.28 No.2, pp.152 - 169

Received: 20 Nov 2021
Accepted: 23 Mar 2022

Published online: 10 Oct 2022 *

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