Inequality
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Gini Index The Gini Index or the Gini coefficient is the most popular tool
used to calculate inequality by economists. |
20:20 RatioThe 20:20 ratio compares income of the top twenty percent of the
population in a given area to the bottom twenty percent of the group. See also: https://www.equalitytrust.org.uk/resources2/spirit-level/methods |
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Palma RatioThis tool compares the income of the top ten percent of the population
in a given area to the bottom forty percent. See also: https://www.cgdev.org/blog/palma-vs-gini-measuring-post-2015-inequality
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Theil IndexThe Theil index is a statistic used to measure economic inequality
that borrows from information theory. |