期刊
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE
卷 57, 期 -, 页码 176-187出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.omega.2015.04.013
关键词
Data envelopment analysis (DEA); Directional distance function; Nerlovian; Profit; Productivity change; Lunberger indicator
资金
- Ministry of Science and Technology Taiwan, R.O.C. [102-2410-H-262-001-]
This study develops an applicable profit-oriented productivity indicator when producers pursue profit maximization and can recognize input and output prices. We define the indicator, inspired by the Luenberger indicator and the Nerlovian efficiency measurement, in terms of both quantity distance functions and profit Hence, the study's first stage decomposes the profit-oriented productivity change into two terms: profit efficiency change and profit technology change. Second, we decompose profit efficiency change into the changes in technical efficiency and allocative efficiency. Finally, profit technology change is separated into two components for capturing the shifts of technology and relative output/input prices. These decompositions provide a more complete picture of the sources of productivity change. We illustrate them with a sample of Taiwanese banks and compute the results using the models of directional distance functions. (C) 2015 Elsevier Ltd. All rights reserved.
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