Finding closest targets in non-oriented DEA models: the case of convex and non-convex technologies

Maria C.A. Silva Portela, Pedro Castro Borges, Emmanuel Thanassoulis

Research output: Contribution to journalArticlepeer-review

Abstract

This paper draws attention for the fact that traditional Data Envelopment Analysis (DEA) models do not provide the closest possible targets (or peers) to inefficient units, and presents a procedure to obtain such targets. It focuses on non-oriented efficiency measures (which assume that production units are able to control, and thus change, inputs and outputs simultaneously) both measured in relation to a Free Disposal Hull (FDH) technology and in relation to a convex technology. The approaches developed for finding close targets are applied to a sample of Portuguese bank branches.

Original languageEnglish
Pages (from-to)251-269
Number of pages19
JournalJournal of Productivity Analysis
Volume19
Issue number2-3
DOIs
Publication statusPublished - Apr 2003

Keywords

  • DEA
  • FDH
  • non-oriented efficiency measures
  • quad trees

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