The Gini coefficient (or index or ratio), devised by Italian statistician and sociologist Corrado Gini in 1912, is a common measure of?
Corrado Gini Corrado Gini Corrado Gini (May 23, 1884 – March 13, 1965) was an Italian statistician, demographer and sociologist who developed the Gini coefficient, a measure of the income inequality in a society. Gini was a proponent of organicism and applied it to nations. Gini was born on May 23, 1884, in Motta di Livenza, near Treviso, into an old landed family. He entered the Faculty of Law at the University of Bologna, where in addition to law he studied mathematics, economics, and biology. Gini's scientific work ran in two directions: towards the social sciences and towards statistics. His interests ranged
Gini coefficient Gini coefficient In economics, the Gini coefficient ( ), sometimes called Gini index, or Gini ratio, is a measure of statistical dispersion intended to represent the income or wealth distribution of a nation's residents, and is the most commonly used measurement of inequality. It was developed by the Italian statistician and sociologist Corrado Gini and published in his 1912 paper "Variability and Mutability" (). The Gini coefficient measures the inequality among values of a frequency distribution (for example, levels of income). A Gini coefficient of zero expresses perfect equality, where all values are the same (for example, where everyone has