期刊
EXPERT SYSTEMS
卷 39, 期 2, 页码 -出版社
WILEY
DOI: 10.1111/exsy.12450
关键词
efficiency decomposition; high-tech industry; Malmquist productivity index; virtual frontier DEA model
资金
- Chinese Academy of Sciences Frontier Scientific Research Key Project [QYZDB-SSW-SYS021]
- National Natural Science Foundation of China [71471055, 91546102]
- Ministry of Science and Technology of China [2016YFC0503606]
This paper introduces a new method called virtual frontier DEA model to measure the efficiency of the high-tech industry. The model can decompose the driving force of efficiency change when analyzing the Malmquist productivity index.
Data envelopment analysis (DEA) is a widely used non-parametric method in efficiency measurement with multiinputs and multioutputs. Malmquist productivity measures the efficiency change in different periods and decomposes the general efficiency change into technical efficiency change and frontier shift. In this paper, we choose a driving industry in social development, the high-tech industry, as an example to illustrate a new method, virtual frontier DEA model, in the aspect of improvement of the traditional DEA model. Additionally, we decompose the Malmquist productivity index with virtual frontier DEA model to find out the driving force of high-tech efficiency change.
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