A general class of additively decomposable inequality measures
AbstractThis paper presents and characterizes a two-parameter class of inequality measures that contains the generalized entropy measures, the variance of logarithms, the path independent measures of Foster and Shneyerov (1999) and several new classes of measures. The key axiom is a generalized form of additive decomposability which defines the within-group and between-group inequality terms using a generalized mean in place of the arithmetic mean. Our characterization result is proved without invoking any regularity assumption (such as continuity) on the functional form of the inequality measure; instead, it relies on a minimal form of the transfer principle - or consistency with the Lorenz criterion - over two-person distributions.
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Bibliographic InfoArticle provided by Springer in its journal Economic Theory.
Volume (Year): 14 (1999)
Issue (Month): 1 ()
Note: Received: October 27, 1997; revised: March 25, 1998
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Web page: http://link.springer.de/link/service/journals/00199/index.htm
Find related papers by JEL classification:
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