Ranks Gini Income inequality Polynomial pen's parade Ranks. D - Microeconomics/D.D3 - Distribution/D.D3.D31 - Personal Income, Wealth, and Their Distributions D - Microeconomics/D.D6 - Welfare Economics/D.D6.D63 - Equity, Justice, Inequality, and Other Normative Criteria and Measurement C - Mathematical and Quantitative Methods/C.C1 - Econometric and Statistical Methods and Methodology: General
In this paper, we propose a simple way to compute the Gini index when income y is a finite order k polynomial function of its rank among n individuals.