ORIGINAL RESEARCH
Research on the Measurement and Convergence of Technological Innovation Efficiency of New Energy Enterprises under the Target of “Double Carbon”
,
 
,
 
,
 
,
 
,
 
,
 
,
 
 
 
 
More details
Hide details
1
School of Economics and Management, Civil Aviation University of China, Tianjin, 300300, P.R. China
 
2
School of Transportation Science and Engineering, Civil Aviation University of China, Tianjin, 300300, P.R. China
 
 
Submission date: 2022-12-30
 
 
Final revision date: 2023-02-21
 
 
Acceptance date: 2023-02-25
 
 
Online publication date: 2023-05-10
 
 
Publication date: 2023-06-23
 
 
Corresponding author
Gang Zeng   

School of Economics and Management, Civil aviation university of China, Tianjin, China
 
 
Pol. J. Environ. Stud. 2023;32(4):3407-3419
 
KEYWORDS
TOPICS
ABSTRACT
The new energy industry helps to meet the challenges of energy exhaustion and environmental pollution. Based on the panel data from 2015 to 2021, this paper uses the BCC model and Tobit model to construct the empirical measurement of technology innovation efficiency of listed new energy enterprises with three-stage DEA technology and uses the convergence model to test the efficiency difference. The results show that: (1) Using the traditional BCC model, the technical innovation level of new energy enterprises is insufficient, and the overall comprehensive efficiency and pure technical efficiency are 0.220 and 0.302 respectively, which need to be improved. (2) The three-stage DEA model was used to control environmental factors and statistical errors, and the overall efficiency of technological innovation of new energy enterprises increased. The comprehensive efficiency and scale efficiency increased to 0.541 and 0.896 respectively. (3) The technological innovation efficiency of new energy enterprises presents temporal and spatial heterogeneity.
The coefficient of variation of technological innovation efficiency of new energy enterprises ranged from 0.084 to 1.000 with significant differences. The technological innovation efficiency of new energy enterprises in eastern, central and western China shows a U-shaped fluctuation.
eISSN:2083-5906
ISSN:1230-1485
Journals System - logo
Scroll to top