The Gini coefficient is a well-known measure of income inequality. It corresponds to the percentage of area below the 45<InlineEquation ID="IEq1"> <EquationSource Format="TEX">$$^\circ $$</EquationSource> </InlineEquation> line that is between the 45<InlineEquation ID="IEq2"> <EquationSource Format="TEX">$$^\circ $$</EquationSource> </InlineEquation> line and the Lorenz curve on a graph of cumulative income versus cumulative population. In this paper, new...</equationsource></inlineequation></equationsource></inlineequation>