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TQM implementation in Indian airline industry: a digraph approach

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  • Waqas Niazi
  • Jamal A. Farooquie

Abstract

The purpose of this paper is to identify TQM practices pertinent to airlines as well as evaluate and compare the TQM implementation in private and public airlines. The evaluation and comparison of TQM implementation in airlines are made using the digraph theory. A digraph is used in the graph-theoretical model to represent abstract system information using directed edges, which are useful for visual analysis. The digraph-developed matrix model is useful for computer processing. The permanent value of multinomial developed from the matrix represents a single number/index that is useful for comparison, ranking, and optimal selection. In our study, seven different TQM practices pertinent to airlines were identified. Also, by calculating the TQM index, it was found that the level of TQM implementation is better in the case of private airlines compared to public airlines.

Suggested Citation

  • Waqas Niazi & Jamal A. Farooquie, 2025. "TQM implementation in Indian airline industry: a digraph approach," International Journal of Services and Operations Management, Inderscience Enterprises Ltd, vol. 52(1), pages 82-105.
    • Handle: RePEc:ids:ijsoma:v:52:y:2025:i:1:p:82-105
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