Abstract
This paper, based on the panel data, measures the comprehensive efficiency of green innovation, the economic output efficiency of green innovation, the social output efficiency of green innovation, and the environmental output efficiency of green innovation of listed energy companies in China by means of the window DEA model from the perspective of the triple bottom line. Moreover, the impacts of environmental factors and random factors on the green innovation efficiency are analyzed. It is found that firstly, green innovation efficiency of listed Chinese energy companies shows a V-shaped change trend without excluding environmental factors and random factors. Secondly, environmental factors and random factors are the primary factors to promote the green innovation efficiency of energy listed companies in China. Finally, after removing the interference of environmental factors and random factors, comprehensive efficiency of green innovation of the listed energy companies in China is relatively high and the distribution is relatively concentrated, but there is a downward trend during the research period.
Highlights
Energy enterprises play a very important role in China’s economic development and assume the historical responsibility of realizing the beneficial development strategy of China as well
Innovative development and green development are the key to transformation of energy enterprises. e green innovation of energy enterprises can break the constraints of resources and environment. erefore, it is necessary to objectively evaluate the innovation efficiency of green technology in Chinese energy enterprises under the condition that the R&D investment of energy enterprises continues to increase and innovation resources are seriously insufficient
Environmental Indicators of Innovation. e selection of innovative environmental indicators has an impact on the efficiency of decision-making unit (DMU), but there are factors that DMU cannot control as is shown below: (1) Level of economic development: its impact on green innovation efficiency of listed Chinese energy companies is mainly reflected in two aspects
Summary
Energy enterprises play a very important role in China’s economic development and assume the historical responsibility of realizing the beneficial development strategy of China as well. Some studies focus on the energy industry or the innovation efficiency of the energy industry, they do not focus the sustainable assessment framework and do not distinguish the internal characteristics of the energy industry, such as the green innovation efficiency of energy enterprises in different directions must be significantly different It is difficult for existing research methods to effectively solve the problem of efficiency estimation. From the perspective of the TLB theory, the window DEA model is constructed to comprehensively measure and analyze the economic, social, and environmental efficiency of China’s listed energy companies in the process of green innovation, which is helpful to guide the sustainable development of energy companies.
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