Negative Income Tax
What is Negative Income Tax?
A negative income tax is a scheme in which households below a break-even income receive a payment from the tax system instead of paying tax.
A negative income tax sets a guaranteed payment for a household with no income and then reduces that payment by a fixed share of each dollar earned. Above the break-even income the household starts paying tax instead of receiving it, so a single formula handles transfers and taxes. Milton Friedman popularized the design as a way to replace a patchwork of separate programs with one cash payment and much less administration. The trade-off is fixed by arithmetic: a generous guarantee combined with a low clawback rate means a high break-even income and a large budget cost. It differs from a universal basic income, which pays everyone the same amount regardless of earnings and claws money back through the ordinary tax system.
Negative Income Tax: a worked example
Set an illustrative guarantee of $9,000 and a clawback rate of 50%. A household with no earnings receives $9,000. One earning $6,000 receives $9,000 − 0.50 × $6,000 = $6,000, giving $12,000 in total, so earning $6,000 raised its resources by $3,000. The break-even point is $9,000 ÷ 0.50 = $18,000, where the payment reaches zero and tax begins. Cutting the clawback rate to 25% would improve work incentives but push the break-even income to $9,000 ÷ 0.25 = $36,000, extending payments far up the income distribution.
The mistake students make with negative income tax
Students read negative income tax as a tax on losses or a penalty. The negative refers to the direction of the payment: money flows from the government to the household rather than the other way. A second confusion is with universal basic income. A negative income tax pays only households below the break-even point, while a universal basic income sends the same amount to everyone and recovers it from higher earners through regular taxes.
Negative Income Tax questions
Who proposed the negative income tax?
Milton Friedman popularized the negative income tax as a simpler replacement for many separate welfare programs. The idea has since been advanced by economists across the political spectrum, because it separates the goal of supporting incomes from the machinery of individual programs. Several field experiments have tested versions of it.
What is the break-even income in a negative income tax?
The break-even income is the earnings level where the payment falls to zero and the household switches from receiving money to paying tax. It equals the guaranteed minimum divided by the clawback rate. Raising the guarantee or lowering the clawback rate pushes the break-even point higher and widens the population receiving payments.
How does a negative income tax differ from universal basic income?
A negative income tax pays only households below the break-even income and shrinks the payment as earnings rise, while a universal basic income pays every person the same amount and recovers it later through taxes. The two can leave households in identical final positions if the parameters line up. They differ in administration, visibility and gross budget cost.
Formula / Example
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