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Price discrimination through hidden city options? A data-driven study on the extent and evolution of skiplaggability in the global aviation system

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  • Sun, Xiaoqian
  • Wandelt, Sebastian
  • Zhang, Anming

Abstract

The application of revenue management in airlines, mainly driven by profitability seeking and an increased competition, has led to the evolution of so-called booking ploys, where passengers exploit technical loopholes to reduce their ticket fares significantly. One of these booking ploys is hidden city ticketing, also called skiplagging: A passenger who wants to travel from A to B books a multi-segment itinerary A–B–C while deliberately taking the first segment A–B only. The legal status of such ploys is uncertain, but airlines argue that such strategies reduce the profit and accordingly try to prevent such cases through their conditions of carriage. Given the significant potential fare savings, the popularity of skiplagging services is ubiquitous. Existing studies on this subject have mostly focused on theoretical models reproducing the effect of skiplagging and also discussed various legal and moral aspects. In this study, we investigate the existence of skiplagging opportunities in the global aviation system. Given worldwide airfare data for the years 2010 to 2021, we perform a data-driven analysis to identify spatial regions and temporal periods of skiplaggability. Such a quantification is, to the best of our knowledge, unique in the scientific literature. We find that skiplaggability is largely driven by hub airports and the extent to which they host dominating airlines. Particularly, we identify disadvantages for passengers living in hub cities with dominant hub airlines, apart from their paying hub premiums. Moreover, we have identified a significant shift of skiplaggability from the US (in the early 2010s) towards Asia (2015+). We believe that the outcome of our study helps policy makers to perform more informed decision making regarding hidden city options, by better understanding the recent scope and extent of this phenomenon.

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  • Sun, Xiaoqian & Wandelt, Sebastian & Zhang, Anming, 2023. "Price discrimination through hidden city options? A data-driven study on the extent and evolution of skiplaggability in the global aviation system," Journal of Air Transport Management, Elsevier, vol. 108(C).
    • Handle: RePEc:eee:jaitra:v:108:y:2023:i:c:s0969699723000169
    DOI: 10.1016/j.jairtraman.2023.102373
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    1. Gaggero, Alberto A. & Luttmann, Alexander, 2023. "The determinants of hidden-city ticketing: Competition, hub-and-spoke networks, and advance-purchase requirements," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 173(C).

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