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

Bart Roets, Marijn Verschelde () and Johan Christiaens

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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.

Date: 2018-11
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Citations: View citations in EconPapers (9)

Published in European Journal of Operational Research, 2018, 271 (1), pp.224 - 237. ⟨10.1016/j.ejor.2018.04.045⟩

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Journal Article: Multi-output efficiency and operational safety: An analysis of railway traffic control centre performance (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-01914849

DOI: 10.1016/j.ejor.2018.04.045

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