marginal tax rate

noun

Definition of marginal tax rate

: the rate of additional federal income tax to be paid on additional income

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First Known Use of marginal tax rate

1948, in the meaning defined above

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The first known use of marginal tax rate was in 1948

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Cite this Entry

“Marginal tax rate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marginal%20tax%20rate. Accessed 20 Oct. 2021.

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