气候变化领域集成服务门户(CCPortal): Innovation efficiency and technology heterogeneity within China's new energy vehicle industry: A two-stage NSBM approach embedded in a three-hierarchy meta-frontier framework

CCPortal

DOI	10.1016/j.enpol.2021.112708
	Innovation efficiency and technology heterogeneity within China's new energy vehicle industry: A two-stage NSBM approach embedded in a three-hierarchy meta-frontier framework
	Chen, Yufeng; Ni, Liangfu; Liu, Kelong
发表日期	2022
ISSN	0301-4215
EISSN	1873-6777
卷号	161 页码:15
英文摘要	Exploring innovation efficiency (IE) and technology heterogeneity within the new energy vehicle (NEV) industry is significant for advising industrial growth and healthy development. This paper embeds a two-stage network slacks-based measure (NSBM) approach into a three-hierarchy meta-frontier framework to evaluate the value chain's IE and the technology heterogeneity under the industrial chain structure. The observations were as follows. The industrial IE was low, particularly in the product creation stage, and the downstream IE ranked at the top, followed by the midstream and upstream. Furthermore, technological heterogeneities existed within the industry; the upstream technology level aligned with that of the industry, whereas the gaps between midstream, downstream, and industry were significant. Analogously, the battery enterprises' gap was minor upstream; nevertheless, the gaps between electric engine, electric control enterprises, and upstream were more pronounced. Additionally, management inefficiency contributed more to the industrial innovation inefficiency than the technology gaps inefficiency. Finally, industrial productivity declined sharply due to the technology gaps' change, except in battery enterprises. Our work will provide valuable insights for industrial policies' evaluation and improvement.
英文关键词	New energy vehicle (NEV); Innovation efficiency (IE); Technology heterogeneity; Three-hierarchy meta-frontier; Two-stage network slack-based measure (NSBM)
学科领域	Economics; Energy & Fuels; Environmental Sciences; Environmental Studies
语种	英语
WOS研究方向	Business & Economics ; Energy & Fuels ; Environmental Sciences & Ecology
WOS记录号	WOS:000745081600005
来源期刊	ENERGY POLICY
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/272187
作者单位	Capital University of Economics & Business
推荐引用方式 GB/T 7714	Chen, Yufeng,Ni, Liangfu,Liu, Kelong. Innovation efficiency and technology heterogeneity within China's new energy vehicle industry: A two-stage NSBM approach embedded in a three-hierarchy meta-frontier framework[J],2022,161:15.
APA	Chen, Yufeng,Ni, Liangfu,&Liu, Kelong.(2022).Innovation efficiency and technology heterogeneity within China's new energy vehicle industry: A two-stage NSBM approach embedded in a three-hierarchy meta-frontier framework.ENERGY POLICY,161,15.
MLA	Chen, Yufeng,et al."Innovation efficiency and technology heterogeneity within China's new energy vehicle industry: A two-stage NSBM approach embedded in a three-hierarchy meta-frontier framework".ENERGY POLICY 161(2022):15.