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The Italian statistician Corrado Gini developed the Gini coefficient and published it in his 1912 paper Variabilità e mutabilità (English: variability and mutability). [16] [17] Building on the work of American economist Max Lorenz, Gini proposed using the difference between the hypothetical straight line depicting perfect equality and the actual line depicting people's incomes as a measure ...
The Hoover index is the simplest of all inequality measures to calculate: It is the proportion of all income which would have to be redistributed to achieve a state ...
The Average Indexed Monthly Earnings (AIME) is used in the United States' Social Security system to calculate the Primary Insurance Amount which decides the value of benefits paid under Title II of the Social Security Act under the 1978 New Start Method. Specifically, Average Indexed Monthly Earnings is an average of monthly income received by ...
The Atkinson index is defined in reference to a corresponding social welfare function, where mean income multiplied by one minus the Atkinson index gives the welfare equivalent equally distributed income. Thus the Atkinson index gives the share of current income which could be sacrificed, without reducing social welfare, if perfect inequality ...
The Hoover is the total amount (as a percentage of the national-income) by which people have less than their equal income-share. The Hoover Index can be calculated by the following subtraction: The percentage of the people getting less than their equal-share (i.e. less than the national mean income), minus their percentage of the national income.
Adjusted gross income is an important number used to determine how much you owe in taxes. It's a factor in determining your federal tax bracket and taxable income -- the portion of your income ...
Have all of your income documents included before you file your taxes: Income documents can include Form W-2, 1099-NEC, Form 1099-MISC or Form 1099-INT. Add up all your income: Calculate your ...
Derivation of the Lorenz curve and Gini coefficient for global income in 2011. Data from 2005. Points on the Lorenz curve represent statements such as, "the bottom 20% of all households have 10% of the total income." A perfectly equal income distribution would be one in which every person has the same income.