The scale of segregation: ancestral groups in Sydney, 2011

Johnston, Ron; Forrest, James; Jones, Kelvyn; Manley, David

doi:10.1080/02723638.2016.1139867

Cited by 29 publications

(36 citation statements)

References 38 publications

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“…Population measures at different spatial scales will be affected by urban form and, as a result, altering scale will reveal different profiles of potential exposure depending on the location within a city but also between cities. As different ethnic groups occupy different spaces in cities, multiscale measures of population reveal important ethnic differences in the exposure to others at various scales Johnston et al 2016). Besides the within-city variations, cross-metropolitan comparisons of segregation have shown different impacts of spatial scale in different metropolitan regions, without addressing the issue of urban form Reardon et al 2008;€ Osth, Clark, and Malmberg 2014).…”

Section: Distance Profiles Of Sociospatial Context and Urban Formmentioning

confidence: 99%

“…Some studies used multiscale methods to compare specific scales in different metropolitan areas, without considering different urban forms Reardon et al 2008;€ Osth, Clark, and Malmberg 2014). Others demonstrated the need to define context for particular population groups located in specific parts of a single city rather than for the city as a whole Johnston et al 2016).…”

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confidence: 99%

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Multiscale Measures of Population: Within- and between-City Variation in Exposure to the Sociospatial Context

Petrović

Ham

Manley

2018

Annals of the American Association of Geographers

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Section: Distance Profiles Of Sociospatial Context and Urban Formmentioning

confidence: 99%

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confidence: 99%

Multiscale Measures of Population: Within- and between-City Variation in Exposure to the Sociospatial Context

Petrović

Ham

Manley

2018

Annals of the American Association of Geographers

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“…A method for doing this, based in multilevel modelling procedures with Bayesian statistical properties, has recently been developed (Jones et al, 2015;Manley et al, 2015aManley et al, , 2015bJohnston et al, 2016). Its index of segregation -the Median Rate Ratio (MRR) -shows its level at each scale net of the larger scales within which the smallest observation units are nested.…”

Section: The Measurement Of Polarisation/segregationmentioning

confidence: 99%

Spatial Polarization of Presidential Voting in the United States, 1992–2012: The “Big Sort” Revisited

Johnston

Manley

Jones

2016

Annals of the American Association of Geographers

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General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/pure/about/ebr-terms Much has been written in recent years about the claimed polarisation of the US electorate, with substantial differences as to whether there has been greater spatial polarisation, at several geographical scales, over recent decades. To assess the veracity of those alternative views, a bespoke data set showing percentage support for the Democratic Party's presidential candidates at the County, State and Divisional scales has been analysed using a robust, statistically-based measure of polarisation/segregation. The ecological results provide clear and compelling evidence of a trend towards greater polarisation across the nine Census Divisions, across the 49 States within those Divisions, and across the 3077 Counties within the States -with strong evidence that the differences over time at the last of those scales are highly statistically significant. Within those general trends, polarisation has been greater in some States than others and also within some States more than othersidentifying additional geographies calling for further research.

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“…An alternative approach that separates out the intensity of segregation at a number of scales has recently been developed and applied to studies of contemporary ethnic patterns in London Johnston et al, 2016c), Auckland and Sydney (Johnston et al, 2016a), as well as in growing spatial polarisation in the partisanship of the US electorate (Johnston et al, 2016b). It is a modification of the well-developed multilevel modelling framework, and produces estimates of the level of segregation at each scale, net of its level at any higher scale within which the areal units deployed are nested -in this case EDs within wards.…”

Section: Multi-scale Segregationmentioning

confidence: 99%

Spatial scale and measuring segregation: illustrated by the formation of Chicago’s ghetto

2016

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General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. Full terms of use are available: http://www.bristol.ac.uk/pure/about/ebr-terms 1 Spatial Scale and Measuring Segregation: Illustrated by the Formation of Chicago's Ghetto Abstract. Few studies of residential segregation in cities have directly addressed the issue of spatial scale, apart from noting that the traditional indices of segregation tend to be larger when calculated for small rather than large spatial units. That observation however ignores Duncan et al.'s (1961) explication that any measure of segregation at a fine-grained scale necessarily incorporates, to an unknown extent, segregation at a larger scale within which the finer-grained units are nested. To avoid that problem, a multi-level modelling perspective is introduced that identifies the intensity of segregation at each scale net of its intensity at any larger scale included in the analysis. It is applied to an analysis of the emergence of Chicago's Black ghetto over the twentieth century's first three decades, using data at the ward and ED scales. It shows that across Chicago as a whole segregation was equally as intense at the two scales, with statistically significant increases in that intensity at both scales across the three decades. At the finer scale, however, segregation was much more intense across the EDs within those wards that formed the core of the emerging ghetto than it was in the reminder of the city.

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The scale of segregation: ancestral groups in Sydney, 2011

Cited by 29 publications

References 38 publications

Multiscale Measures of Population: Within- and between-City Variation in Exposure to the Sociospatial Context

Multiscale Measures of Population: Within- and between-City Variation in Exposure to the Sociospatial Context

Spatial Polarization of Presidential Voting in the United States, 1992–2012: The “Big Sort” Revisited

Spatial scale and measuring segregation: illustrated by the formation of Chicago’s ghetto

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