The Lorenz Curve shows the degree of income inequality in a given economy or population. The further away the Lorenz curve from the line of absolute equality (the 45° line), the greater the degree of income inequality. Lorenz curves can also be used to illustrate wealth inequality.
This is a really interesting MC question on causes of a shift in a country's Lorenz Curve.
A Gini coefficient of zero expresses perfect equality where all values are the same (for example, where everyone has an exactly equal income). A Gini coefficient of one (100 on the percentile scale) expresses maximal inequality among values (for example where only one person has all the income).
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