The net rate a taxpayer pays on income that includes all forms of taxes. It is calculated by dividing the total tax paid by taxable income. Bloomberg Financial Dictionary
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effective tax rate UK US noun [C] (ABBREVIATION ETR)
► ACCOUNTING, TAX the actual amount of tax paid as a percentage of taxable income or profit: »
The company's effective tax rate was 36.6% in the last fiscal year.
Financial and business terms. 2012.