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Measuring inequality in a cross-tabulation with ordered categories: from the Gini coefficient to the Tog coefficient

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Lampard, Richard (2000) Measuring inequality in a cross-tabulation with ordered categories: from the Gini coefficient to the Tog coefficient. International Journal of Social Research Methodology, Vol.3 (No.1). pp. 1-14. doi:10.1080/136455700294897 ISSN 1364-5579.

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Official URL: http://dx.doi.org/10.1080/136455700294897

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Abstract

This paper introduces the Tog coefficient, which can be used to measure the level of inequality in a cross-tabulation of two ordinal-level variables. The Gini coefficient is a standard measure of income inequality which has been adapted by other authors for use in different contexts such as the measurement of health inequalities and the quantification of occupational segregation; the Tog coefficient represents a further stage in this process of development. The paper outlines the construction of the Tog coefficient and illustrates this using a social mobility table based on data from the 1972 Oxford Mobility Study. The trend in social mobility-related inequality as measured by the Tog coefficient is compared with the findings of Goldthorpe et al. based on odds ratios. A more elaborate application of the Tog coefficient uses a variety of data relating to the similarity of spouses' class backgrounds to demonstrate the existence of a long-term decline in the level of inequality in British society.

Item Type: Journal Article
Subjects: H Social Sciences > HA Statistics
Divisions: Faculty of Social Sciences > Sociology
Library of Congress Subject Headings (LCSH): Gini coefficient, Income distribution -- Mathematical models, Social mobility -- Mathematical models, Inequality -- Statistical methods, Mathematical statistics -- Great Britain
Journal or Publication Title: International Journal of Social Research Methodology
Publisher: Routledge
ISSN: 1364-5579
Official Date: January 2000
Dates:
DateEvent
January 2000Published
Volume: Vol.3
Number: No.1
Page Range: pp. 1-14
DOI: 10.1080/136455700294897
Status: Peer Reviewed
Access rights to Published version: Open Access (Creative Commons)

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