Theoretical Evidence of Existing Pitfalls in Measuring Hubbing Practices in Airline Networks

Martı́n, Juan Carlos; Voltes-Dorta, Augusto

doi:10.1007/s11067-007-9051-6

Cited by 22 publications

(17 citation statements)

References 22 publications

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“…The advan-tages and disadvantages of the various concentration and dispersion measures have been frequently addressed in the literature (Reynolds-Feighan, 1998). Recently, alternatives to these standard concentration indices have been applied in order to «decode» the spatiality and complexity of air transport networks (Limtanakool et al, 2007;Martín and Voltes-Dorta, 2008;Derudder and Witlox, 2009;Paleari et al, 2010).…”

Section: Methods To Approach the Study Of Seat Capacity Patternsmentioning

confidence: 99%

Uneven patterns in airport seat capacity distribution: a review

Suau-Sánchez¹

2013

dag

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This paper reviews the literature on the uneven patterns of airport seat capacity. Seat capacity distribution studies are useful to show air travel possibilities and whether economic development is concentrated in some particular regions. During the last decades, seat capacity patterns have been reshaped by an increasing process of deregulation of the air traffic market and liberalization of the former flagship carriers. Overall, literature agrees that intra-continental seat capacity has tended to deconcentrate, meaning that seats are more equally spread along the airport population, while inter-continental seat capacity, the most valuable for the exchange of face-to-face information and global supply chains, has tended to concentrate in fewer airports. Hence, in quantitative terms inequality has decreased, although in qualitative terms it has increased. Keywords: air transport; seat capacity; unevenness; spatial patterns; deregulation; liberalization. Resum. Patrons desiguals en la distribució de places aèries: una revisióAquest article revisa la literatura sobre la distribució desigual de places aèries. Els estudis d'oferta de places són útils per mostrar les possibilitats de viatjar i si el desenvolupament econòmic està concentrat en determinades regions. Durant les últimes dècades, els patrons de distribució de places aèries han estat redefinits pels creixents processos de desregularització del mercat del tràfic aeri i la liberalització de les línies aèries de bandera. En conjunt, hi ha un acord a la literatura a considerar que l'oferta de places per a vols intracontinentals ha tendit a desconcentrar-se. És a dir, les places estan repartides de manera més equilibrada al llarg de la població d'aeroports. D'altra banda, l'oferta de places per a vols intercontinentals, els més valuosos per a l'intercanvi d'informació cara a cara i les cadenes de producció globals, ha tendit a concentrar-se en menys aeroports. Així doncs, des del punt de vista quantitatiu, la desigualtat ha disminuït, tot i que en termes qualitatius aquesta s'ha incrementat. Paraules clau: transport aeri; places aèries; desigualtat; distribució espacial; desregulació; liberalització. Resumen. Patrones desiguales en la distribución de plazas aéreas: una revisiónEste artículo revisa la literatura sobre la distribución desigual de plazas aéreas. Los estudios de oferta de plazas son útiles para mostrar las posibilidades de viajar y si el desarrollo Pere Suau-Sanchez Uneven patterns in airport seat capacity distribution: a review 168 Documents d'Anàlisi Geogràfica 2013, vol. 59/1 económico está concentrado en determinadas regiones. Durante las últimas décadas, los patrones de distribución de plazas aéreas han sido redefinidos por los crecientes procesos de desregularización del mercado del tráfico aéreo y la liberalización de las aerolíneas de bandera. En conjunto, hay un acuerdo en la literatura en considerar que la oferta de plazas para vuelos intracontinentales ha tendido a desconcentrarse. Es decir, las plazas están repartidas de forma má...

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Section: Methods To Approach the Study Of Seat Capacity Patternsmentioning

confidence: 99%

Uneven patterns in airport seat capacity distribution: a review

Suau-Sánchez¹

2013

dag

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“…Thus, as O'Connor (2003) puts it, traffic at an airport represents the airport's Transportation ambiguous role as an origin and as a transshipment terminal. Martín and Voltes-Dorta (2008) argue that in order to explain hubbing behavior precisely, one needs to distinguish between a transshipment point and an attractive origin or destination for passengers in the airline network. The authors suggest the HC index as a new concentration measurement that takes into account this difference.…”

Section: Indices To Measure Airline Network Concentrationmentioning

confidence: 99%

“…The HC index aims to fairly measure hubbing by identifying passengers who connect to onward travels (Martín and Voltes-Dorta 2008) and relates concentration to two major aspects: the importance of hubbing in the network and the concentration of hubbed traffic in certain routes. As a first step, the hubbing behavior of connecting passengers on market ij needs to be calculated 1 :…”

Section: Hubbing Concentration Indexmentioning

confidence: 99%

Network concentration indices for less-than-truckload transportation

Lange

Delfmann

2016

Transportation

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An efficient and service-oriented transportation network is a necessary resource for successful less-than-truckload operations. The design and evaluation of transportation networks are mainly driven by quantitative particularly cost-oriented measures, such as transport and transshipment costs. This type of measurement, however, simply cannot represent the manifold performance of a transportation network. In particular, incorporating network concentration into network design decisions overcomes the shortcomings of purely cost-oriented decisions because spatial network concentration is at the root of many aspects of network performance (e.g., congestion and network vulnerability). This paper suggests modifications to the network concentration index and the hubbing concentration index from the passenger airline context for less-than-truckload road transportation. The modified indices enable information to be conveyed by network concentration into lessthan-truckload network design decisions and provide a suitable perspective to include service-oriented aspects into network design.

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“…The traffic generation capability of a node or region is often measured based on demand (e.g., passengers originating and destined for a city) or economic measures. Martin and Voltes-Dorta (2008) explore the implications of spatial concentration of demand and passenger connections on hubbing. Yu et al (2013) consider transit hub location in China using an approach to identify candidate hub locations based on "passenger attraction", which includes the magnitude of demand within a specified distance of a node.…”

Section: Motivation and Goalsmentioning

confidence: 99%

Spatial Analysis of Single Allocation Hub Location Problems

et al. 2015

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Hubs are special facilities that serve as switching, transshipment and sorting nodes in many-to-many distribution systems. Flow is consolidated at hubs to exploit economies of scale and to reduce transportation costs between hubs. In this article, we first identify general features of optimal hub locations for single allocation hub location problems based on only the fundamental problem data (demand for travel and spatial locations). We then exploit this knowledge to develop a straightforward heuristic methodology based on spatial proximity of nodes, dispersion and measures of node importance to delineate subsets of nodes likely to contain optimal hubs. We then develop constraints for these subsets for use in mathematical programming formulations to solve hub location problems. Our methodology can also help narrow an organization's focus to concentrate on more detailed and qualitative analyses of promising potential hub locations. Results document the value of including both demand magnitude and centrality in measuring node importance and the relevant tradeoffs in solution quality and time.

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Theoretical Evidence of Existing Pitfalls in Measuring Hubbing Practices in Airline Networks

Abstract: Airline networks, Spatial concentration, Gini index, Hub-and-spoke (H–S) networks,

Cited by 22 publications

References 22 publications

Uneven patterns in airport seat capacity distribution: a review

Uneven patterns in airport seat capacity distribution: a review

Network concentration indices for less-than-truckload transportation

Spatial Analysis of Single Allocation Hub Location Problems

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