Consider some ordered income , with . A classical tool to visualize inequality is Lorenz curve: define the proportion of people (with the convention ); then the cumulated wealth and the fraction of cumulated wealth (with again ). Then Lorenz curve is simply the plot : it plots the proportion of the total income of the population ( axis) that is cumulatively earned by the bottom \% of the population. And Gini index is the ratio of the area that lies between the line … Continue reading <span class=“screen-reader-text” …