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Determinants of Port Centrality in Maritime Container Transportation

Paper i proceeding
Författare Yuhong Wang
Kevin Cullinane
Publicerad i SUBA Asia Logistics Round Table Conference
Publiceringsår 2015
Publicerad vid Företagsekonomiska institutionen, Industriell och Finansiell ekonomi & logistik
Språk en
Länkar dx.doi.org/10.1016/j.tre.2016.04.00...
Ämnesord Port centrality, degree, closeness, betweenness, weighted network.
Ämneskategorier Transportteknik och logistik, Ekonomi och näringsliv, Nationalekonomi, Företagsekonomi

Sammanfattning

Port centrality is a useful indicator in identifying the relative positions of ports within a system. However, in terms of quantitative assessment, measures developed in social network analysis are often misapplied to the port sector by not taking account of the ‘directed’ and ‘weighted’ network features of maritime container transportation. This paper adapts and applies Freeman’s degree, closeness and betweenness centrality measures to assess port centrality in relation to direct connectivity, accessibility to all ports in the network via both direct and indirect routes, and as an intermediary (i.e. for transhipment) between other ports. An additional parameter was added to the formulae to ensure that the relative importance of available shipping capacity and foreland market coverage are also considered. Evidence for the effectiveness of this adapted measure is provided by the results obtained from an empirical application. Moreover, it is also found that foreland market coverage exerts a particularly strong influence on a port’s demand and closeness centrality. Finally, the methodology proposed herein is also proposed as a useful tool for liner operators when doing port selection or route choice.

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