The sociogeometry of inequality: Part I

Iddo Eliazar

Physica A: Statistical Mechanics and its Applications, 2015, vol. 426, issue C, 93-115

Abstract: The study of socioeconomic inequality is of prime economic and social importance, and the key quantitative gauges of socioeconomic inequality are Lorenz curves and inequality indices—the most notable of the latter being the popular Gini index. In this series of papers we present a sociogeometric framework to the study of socioeconomic inequality. In this part we shift from the notion of Lorenz curves to the notion of Lorenz sets, define inequality indices in terms of Lorenz sets, and introduce and explore a collection of distance-based and width-based inequality indices stemming from the geometry of Lorenz sets. In particular, three principle diameters of Lorenz sets are established as meaningful quantitative gauges of socioeconomic inequality—thus indeed providing a geometric quantification of socioeconomic inequality.

Keywords: Lorenz curves; Lorenz sets; Inequality indices; Gini index; Pietra index; Diameter indices (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:426:y:2015:i:c:p:93-115

DOI: 10.1016/j.physa.2015.01.016

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