Can We Make Unambiguous Inequality Comparisons When Lorenz Curves Intersect? An Essay

16 Pages Posted: 28 Dec 2011

See all articles by Ahmed Mohamed Rostom

Ahmed Mohamed Rostom

George Washington University - Economics Department; The World Bank ; Economic Research Forum (ERF)

Date Written: December 20, 2009

Abstract

This essay outlines the exact definition of “Equality” and “Inequality” in economics. The discussion moves forward to review concepts of ranking of orderings and methodology of constructing Indices of Inequality with an emphasis on Lorenz Orderings. We also discuss the possibility of comparing between two distributions (i.e. two Lorenz Curves/Orderings), and extend the analysis to analyse the ambiguity of comparisons when the case when Lorenz curves intersect.

Keywords: Stochastic Dominance, Inequality Indices, Lorenz Curves

JEL Classification: D63, D31, I32

Suggested Citation

Rostom, Ahmed Mohamed, Can We Make Unambiguous Inequality Comparisons When Lorenz Curves Intersect? An Essay (December 20, 2009). Available at SSRN: https://ssrn.com/abstract=1977483 or http://dx.doi.org/10.2139/ssrn.1977483

Ahmed Mohamed Rostom (Contact Author)

George Washington University - Economics Department ( email )

2121 I Street NW
Washington, DC 20052
United States

The World Bank ( email )

1818 H Street, NW
Washington, DC 20433
United States

Economic Research Forum (ERF) ( email )

21 Al-Sad Al-Aaly St.
(P.O. Box: 12311)
Dokki, Cairo
Egypt

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