Measuring inequality in a cross-tabulation with ordered categories: from the Gini coefficient to the Tog coefficient
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. ISSN 1364-5579
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Official URL: http://dx.doi.org/10.1080/136455700294897
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|
|Official Date:||January 2000|
|Page Range:||pp. 1-14|
|Access rights to Published version:||Open Access|
Atkinson, A.B. (1983) The Economics of Inequality [Second edition] (Oxford: Oxford University Press).
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