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Social-spatial segregationConcepts, processes and outcomes$
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Christopher D. Lloyd, Ian G. Shuttleworth, and David W. Wong

Print publication date: 2014

Print ISBN-13: 9781447301356

Published to Policy Press Scholarship Online: May 2015

DOI: 10.1332/policypress/9781447301356.001.0001

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Measuring neighbourhood segregation using spatial interaction data

Measuring neighbourhood segregation using spatial interaction data

Four (p.65) Measuring neighbourhood segregation using spatial interaction data
Social-spatial segregation

Christopher D. Lloyd

Gemma Catney

Ian G. Shuttleworth

Policy Press

A recent focus in the academic literature on segregation indices is on the development of spatial measures, which make use of information on the relative spatial locations of zones; such measures overcome the spatial location independence of traditional indices, often expressed as the ‘checkerboard problem’. Most spatial measures are based on contiguity weighting - immediate neighbours of a given zone are included in calculations - or distance-decay functions. This chapter considers the restrictions of such approaches and discusses some ways in which distance decay weighting schemes can be adapted to better reflect interactions between people in different areas. The use of data on internal migration as a proxy for the daily interactions between Catholics and Protestants in Northern Ireland is considered, and is shown to depict limited interactions between those on opposite sides of so-called ‘interface areas’. Comparison of results using geographically weighted distance-decay schemes suggests that simple distance-based approaches may, in some cases, have limited practical utility if the derived measures are to be used as a guide to the degree of mixing between members of different population groups.

Keywords:   evenness, exposure, neighbourhood, migration, spatial interaction, Northern Ireland

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