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A tax cut is a reduction in the rate of tax charged by a government. The immediate effects of a tax cut are a decrease in the real income of the government and an increase in the real income of those whose tax rates have been lowered. Due to the perceived benefit in growing real incomes among tax payers, politicians have sought to claim their proposed tax credits as tax cuts. In the longer term, however, the macroeconomic effects of a tax cut are generally not predictable because they depend on how the taxpayers use their additional income and how the government adjusts to its reduced income.