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DEA에서 투입․산출 요소 선택 방법A Method for Selection of Input-Output Factors in DEA
- Other Titles
- A Method for Selection of Input-Output Factors in DEA
- Authors
- 임성묵
- Issue Date
- 2009
- Publisher
- 대한산업공학회
- Keywords
- data envelopment analysis; efficiency; input-output factors; decision tree; data envelopment analysis; efficiency; input-output factors; decision tree
- Citation
- 산업공학(IE interfaces), v.22, no.1, pp.44 - 55
- Indexed
- KCI
- Journal Title
- 산업공학(IE interfaces)
- Volume
- 22
- Number
- 1
- Start Page
- 44
- End Page
- 55
- ISSN
- 1225-0996
- Abstract
- We propose a method for selection of input-output factors in DEA. It is designed to select better combinations of input-output factors that are well suited for evaluating substantial performance of DMUs. Several selected DEA models with different input-output factors combinations are evaluated, and the relationship between the computed efficiency scores and a single performance criterion of DMUs is investigated using decision tree. Based on the results of decision tree analysis, a relatively better DEA model can be chosen, which is expected to well represent the true performance of DMUs. We illustrate the effectiveness of the proposed method by applying it to the efficiency evaluation of 101 listed companies in steel and metal industry.
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