Reducing the uncertainty induced by spatial aggregation in accessibility and spatial interaction applications

Marcin Stępniak and Chris Jacobs-Crisioni

Journal of Transport Geography, 2017, vol. 61, issue C, 17-29

Abstract: Analyses of spatial interaction are to some degree plagued by uncertainty regarding the impact of spatially dispersed interaction masses within zones on travel times. In this paper, interaction-weighted travel times are computed from a matrix between regularly distributed points at fine resolution, and used together with secondary data to improve estimates of interaction weighted travel time based on commonly applied methods. The paper proposes a method for computing intra-zonal, interaction weighted travel times that is considerably less sensitive to spatial aggregation than existing approaches, and demonstrates that population-weighted centroids are to be preferred over geographically-weighted centroids.

Keywords: Accessibility; Distance decay; MAUP; Scale; Spatial interaction (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jotrge:v:61:y:2017:i:c:p:17-29

DOI: 10.1016/j.jtrangeo.2017.04.001

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