A spatial decomposition of the Gini coefficient

Sergio Rey () and Richard Smith

Letters in Spatial and Resource Sciences, 2013, vol. 6, issue 2, 55-70

Abstract: The paper introduces a spatial decomposition of the Gini coefficient that supports the detection of spatial autocorrelation conjointly with an indicator of overall inequality. An additive pairwise decomposition based on a spatial weights matrix partitions inequality between observations that are geographically neighbors and those that are not. A framework for inference on the spatial decomposition is also suggested. The statistical properties of the decomposition measure are evaluated in a Monte Carlo simulation and an empirical illustration involving per capita income inequality in the US states is also provided. Copyright Springer-Verlag 2013

Keywords: Spatial inequality; Spatial autocorrelation; R1; D63; R12; C15; C63 (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1007/s12076-012-0086-z

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