Societies offer a wide variety of pre- and post-tax redistribution schemes. When talking about redistribution we are typically thinking about the distribution of wealth or income in an economy. We can graph the distribution of income (or wealth) on what is called a Lorenz curve. American economist Max O. Lorenz’s namesake curve plots the percentage of total income (wealth) earned by various portions of the population when the population is ordered by the size of their incomes (wealth).