The income tax is determined by applying multi-tiered tax rates based on income (the rates increase as income rises). The income tax as we know it was instituted in 1913, when the Sixteenth Amendment overturned the Supreme Court's 1895 ruling that outlawed the policy.
Cry Wolf Quotes
No honest man can make war upon great fortunes per se. The Democratic Party never has done it; and when the Democratic Party begins to do it, it will cease to be the Democratic Party and become the socialistic party of the United States; or better expressed, the communistic party, or quasi communistic party, of the United States.
[This is] Class legislation and attempts of the majority to spoliate private property [that] would ultimately wreck the American republic.
[Taxing the rich] was supported by the Socialist party, the Populist party, and by the Democratic party with a few honorable exceptions, simply as a means of re-distributing the wealth.
Why should any of us strive to make that extra dollar of income when the government is going to lay claim to an increasing share of it?
Millionaire Migration and State Taxation of Top Incomes: Evidence From A Natural Experiment
The rich did not flee New Jersey wen the state raised tax rates on top earners by 2.6 percentage points.
Maryland Millionaires Vanish in the Face of Recession, Not Higher Taxes
Maryland's tax increases on the rich did not induce millionaire flight.
Tax Cuts on the Rich Don't Spur Economic Growth
The Center for American Progress takes apart supply side myths.
The Number of High-Income Taxpayers Increased Significantly During a Period With 10 Percent and 11 Percent Tax Rates on High-Income Earners
After California raised taxes on the rich, the number of residents in the affected tax brackets rose as well.