Accessibility and Spatial Interaction

Accessibility and Spatial Interaction

NECTAR Series on Transportation and Communications Networks Research

Edited by Ana Condeço-Melhorado, Aura Reggiani and Javier Gutiérrez

The concept of accessibility is linked to the level of opportunities available for spatial interaction (flows of people, goods or information) between a set of locations, through a physical and/or digital transport infrastructure network. Accessibility has proved to be a crucial tool for understanding the framework of sustainability policy in light of best practice planning and decision-making processes. Methods such as cost–benefit analysis, multi-criteria analysis and risk analysis can benefit greatly from embedding accessibility results. This book presents a cohesive collection of recent studies, modeling and discussing spatial interaction by means of accessibility indicators

Chapter 3: Transport networks and accessibility: complex spatial interactions

David Philip McArthur, Inge Thorsen and Jan Ubøe

Subjects: economics and finance, public sector economics, transport, geography, cities, urban and regional studies, transport


A worker might respond to an unfortunate local labour market situation by commuting or migrating to a zone with better prospects. This decision depends on the labour market accessibility of the worker’s current residential location. A spatial equilibrium model is applied to analyse the interactions between commuting, migration, firm relocation and accessibility. The analysis is based on numerical examples, experimenting with characteristics of the transportation network and the spatial distribution of jobs. We study how the effects of such shocks depend on behavioural responses to different aspects of labour market accessibility. We also study the cumulative causation aspect of accessibility, whereby highly accessible areas attract jobs and workers, further enhancing the accessibility of such zones.

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