Measuring hierarchical differentiation: connectivity and dominance in the European urban network

Nathalie Van Nuffel, Piet Saey, Ben Derudder, Lomme Devriendt and Frank Witlox

Transportation Planning and Technology, 2010, vol. 33, issue 4, 343-366

Abstract: This paper presents an examination of the empirical merits of a set of spatial interaction indices for measuring hierarchical differentiation (i.e. dominance and connectivity) in a spatial network. To allow for the comparison of the degree of hierarchical differentiation in networks with different numbers of nodes/links, we propose to normalize the ratio between the real measures and the corresponding values for a rank size distribution in order to obtain readily interpretable measures of hierarchical differentiation. When applied to data on air passenger flows within Europe, the normalized indices, interpreted together, appear to give a good idea of the tendency toward hierarchical differentiation. The potential usefulness of this analytical framework is discussed in the context of studies on (transnational) inter-city relations and empirical assessments of changes in the spatial configuration of airline networks.

Date: 2010
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Citations: View citations in EconPapers (4)

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DOI: 10.1080/03081060.2010.494028

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