Marginal Income Tax Rates of the Passthrough Business Deduction

7 Pages Posted: 26 Nov 2018 Last revised: 27 Nov 2018

Date Written: May 21, 2018

Abstract

The law formerly known as the Tax Cuts and Jobs Act of 2017 created a 20% deduction for income from certain passthrough businesses. The deduction, under new section 199A, is broadly available for lower income taxpayers, but that greater availability is gradually phased out for higher income taxpayers who have certain businesses or other circumstances. Simple numerical and calculus analyses show that the phaseouts may cause some taxpayers to experience marginal federal income tax rates of over 60%.

Keywords: section 199A, passthrough business income

Suggested Citation

Zhang, Libin, Marginal Income Tax Rates of the Passthrough Business Deduction (May 21, 2018). Tax Notes, Vol. 159, No. 8, 2018. Available at SSRN: https://ssrn.com/abstract=3267328

Libin Zhang (Contact Author)

Roberts & Holland LLP ( email )

United States

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