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Evaluation of the green technology innovation efficiency of China's manufacturing industries: DEA window analysis with ideal window width

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Authors
Lin, S.
Sun, J.
Marinova, Dora
Zhao, D.
Date
2018
Type
Journal Article

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Lin, S. and Sun, J. and Marinova, D. and Zhao, D. 2018. Evaluation of the green technology innovation efficiency of China's manufacturing industries: DEA window analysis with ideal window width. Technology Analysis and Strategic Management: 30 (10): pp. 1166-1181.
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Technology Analysis and Strategic Management
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Sustainability Policy Institute
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Abstract

Data Envelopment Analysis (DEA) window analysis with ideal window width is applied to evaluate the green technology innovation efficiency of 28 manufacturing industries in China during 2006–2014. The obtained results are compared with those calculated using the traditional DEA model, and convergence analysis of the efficiency is conducted. Five years is the obtained ideal window width and DEA window analysis with ideal window produces results closer to reality for China's manufacturing industry. The overall efficiency of the green technology innovation in the manufacturing sector is low following a wave-shaped curve – first decreasing, then increasing and decreasing again, with large inter-industrial differences. There are 8 high-, 14 medium- and 6 low-efficiency industries. A convergence trend in the green technology innovation efficiency within the 28 manufacturing industries exists, implying a catch-up effect between them.