A learning ladder toward efficiency: Proposing network-based stepwise benchmark selection

Abaghan Ghahraman, Diego Prior

Research output: Contribution to journalArticleResearchpeer-review

16 Citations (Scopus)


© 2015 Elsevier Ltd Starting from the knowledge-based view of efficiency improvement, we propose a network-based approach to find the optimal stepwise benchmarking paths toward the efficiency frontier. The approach treats the Data Envelopment Analysis system as a network of teaching and learning firms and calculates the overall shortest paths taking into account both input endowment similarity and the efficiency gap covered in each step. In addition, based on network centrality concepts, the method discriminates between efficient and intermediate units, and highlights possible outliers or specialized units. As a real-world example, the method is applied to a network of Canadian bank branches and practical implications are discussed.
Original languageEnglish
Pages (from-to)83-93
JournalOmega (United Kingdom)
Publication statusPublished - 1 Jan 2016


  • Data Envelopment Analysis
  • Knowledge absorption capacity
  • Shortest path
  • Social Network Analysis
  • Stepwise efficiency improvement


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