Characterising labour market self-containment in London with geographically arranged small multiples

Roger Beecham and Aidan Slingsby
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Roger Beecham: School of Geography, University of Leeds, UK
Aidan Slingsby: City, University of London, UK

Environment and Planning A, 2019, vol. 51, issue 6, 1217-1224

Abstract: Abstract We present a collection of small multiple graphics that support analysis and understanding of the geography of labour-market self-containment across London’s 33 boroughs. Ratios describing supply-side self-containment, the extent to which working residents access jobs locally, and demand-side self-containment, the extent to which local jobs are filled by local resident workers, are first calculated for professional and non-professional occupations and encoded directly through geographically-arranged bar charts. The full distribution of workers into-and out-of- boroughs that underpins these ratios is then revealed via Origin-Destination flows maps (OD maps) – sets of geographically-arranged choropleths. In order to make relative and absolute comparison of borough-to-borough frequencies between occupation types, these OD maps are coloured according to signed chi-square residuals: for every borough-to-borough pair, we compare the observed number of flows to access professional versus non-professional jobs against the number that would be expected given the distribution of those jobs across London boroughs. Our geographically-arranged small multiples demonstrate potential for spatial analysis: a rich, multivariate structure is depicted that reflects London’s economic geography and that would be difficult to expose using non-visual means.

Keywords: Labour market self-containment; travel to work; origin destination; OD map; small multiples (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:envira:v:51:y:2019:i:6:p:1217-1224

DOI: 10.1177/0308518X19850580

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