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Multi-output efficiency and operational safety: An analysis of railway traffic control centre performance

Abstract : Transportation service providers are under increasing pressure to raise cost efficiency without sacrificing safety. We show the usefulness of a nonparametric multi-output framework to both monitor staff efficiency and detect operational safety concerns. To realistically model input–output relations at an hourly rate of Belgian computerized railway traffic control centres, we apply a Data Envelopment Analysis (DEA)-based framework with proportional cost allocation restrictions and introduce output-specific metafrontiers. Our analysis (covering each single hour of the complete year 2015) shows that production tasks with a highly variable work load, when characterized by binding cost allocation restrictions and high within-traffic-control-centre efficiency, are more prone to human error. Further, we show how DEA combined with disaggregated data can be used to a priori assess staff schedule changes.
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https://hal.archives-ouvertes.fr/hal-01914849
Contributor : Isabelle Celet <>
Submitted on : Wednesday, November 7, 2018 - 11:02:43 AM
Last modification on : Wednesday, May 13, 2020 - 2:24:27 PM

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Bart Roets, Marijn Verschelde, Johan Christiaens. Multi-output efficiency and operational safety: An analysis of railway traffic control centre performance. European Journal of Operational Research, Elsevier, 2018, 271 (1), pp.224 - 237. ⟨10.1016/j.ejor.2018.04.045⟩. ⟨hal-01914849⟩

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