Input/output deterioration in production processes

Alireza Amirteimoori, Ali Emrouznejad

Research output: Contribution to journalArticlepeer-review


In many real applications of Data Envelopment Analysis (DEA), the decision makers have to deteriorate some inputs and some outputs. This could be because of limitation of funds available. This paper proposes a new DEA-based approach to determine highest possible reduction in the concern input variables and lowest possible deterioration in the concern output variables without reducing the efficiency in any DMU. A numerical example is used to illustrate the problem. An application in banking sector with limitation of IT investment shows the usefulness of the proposed method. © 2010 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)5822-5825
Number of pages4
JournalExpert Systems with Applications
Issue number5
Publication statusPublished - May 2011


  • Data Envelopment Analysis
  • input/output deterioration
  • efficiency


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