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Donald Trump Tax Plan

Donald Trump Tax Plan

Details and Analysis of Donald Trump Tax Plan

Key Findings:

Yesterday, Donald J. Trump released details of a tax reform plan.[1] This plan would reduce individual income tax rates, lowering the top rate from 39.6 percent to 25 percent and creating a large zero bracket. The plan would also reform the business tax code by reducing the income tax on all businesses to 15 percent and eliminate business tax expenditures, including deferral and interest deductions. In addition, the plan would eliminate the Estate Tax and the Alternative Minimum Tax.

While some aspects of the plan remain unspecified, many others are very clear, working within the existing income tax framework and lowering the rates. As such, we are able to model virtually all of the major provisions of the plan.

Our analysis finds that the plan would reduce federal revenues by $11.98 trillion over the next decade. However, it also would improve incentives to work and invest, which could increase gross domestic product (GDP) by 11 percent over the long term. This increase in GDP would translate into 6.5 percent higher wages and 5.3 million new full-time equivalent jobs. After accounting for increased incomes due to these factors, the plan would only reduce tax revenues by $10.14 trillion.[2]

Details of the Plan

Individual Income Tax Changes

Table 1. Individual Income Tax Brackets Under Donald Trump’s Tax Plan
Ordinary Income Capital Gains and Dividends Single Filers Married Filers Head of Household
0% 0% $0 to $25,000 $0 to $50,000 $0 to $37,500
10% 0% $25,000 to $50,000 $50,000 to $100,000 $37,500 to $75,000
20% 15% $50,000 to $150,000 $100,000 to $300,000 $75,000 to $225,000
25% 20% $150,000 and up $300,000 and up $225,000 and up

Business Tax Changes

 

Other Changes

Economic Impact

According to our Taxes and Growth Model, the increased incentives to work and invest from this tax plan would increase the size of the economy by 11 percent over the long run. The plan would lead to 6.5 percent higher wages and a 29 percent larger capital stock. The larger economy is mainly the result of the significant reduction in the service price of capital due to the rate reductions for corporations and pass through businesses. In addition, the reduction of marginal tax rates on individual income would increase incentives to work and result in 5.3 million full-time equivalent jobs.

Table 2. Economic Impact of Donald Trump’s Tax Reform Plan

GDP

11.5%

Capital Investment

29.0%

Wage Rate

6.5%

Full-time Equivalent Jobs (in thousands)

5,329

Source: Tax Foundation Taxes and Growth Model, Sept. 2015.

Revenue Impact

Overall, the plan would reduce federal revenue on a static basis by $11.98 trillion over the next ten years. Most of the revenue loss is due to the reduction in individual income tax rates, which we project to reduce revenues by approximately $10.20 trillion over the next decade. The changes to the corporate income tax will reduce revenues by an additional $1.54 trillion over the next decade, with the remaining static cost ($238 billion) due to the elimination of the estate tax.

However, if we account for the economic growth that the plan would produce, the plan would end up lowering revenue by $10.14 trillion over the next decade. The larger economy would increase wages, which would narrow the revenue lost through the individual income tax by about $666 billion and increase payroll tax revenues by $839 billion, with the remainder of the recouped revenue coming from other taxes.

Table 3. Ten-Year Revenue Impact of Donald Trump’s Tax Reform Plan (Billions of Dollars)

Tax Static Revenue Impact (2015-2024) Dynamic Revenue Impact (2015-2024)
    Individual Income Taxes

-$10,201

-$9,535

    Payroll Taxes

$0

$839

    Corporate Income Taxes

-$1,541

-$1,371

    Excise Taxes

$0

$69

    Estate and Gift Taxes

-$238

-$238

    Other Revenue Sources

$0

$101

Total

-$11,980

-$10,135

Source: Tax Foundation Taxes and Growth Model, Sept. 2015.

Note: Individual items may not sum to the total due to rounding.

Distributional Impact

On a static basis, Donald Trump’s tax plan would increase the after-tax income across all taxpayers by 10.2 percent, on average, and taxpayers in all income classes would see higher after-tax income.

Taxpayers in the bottom deciles (the 0-10 and 10-20 percent deciles), would see increases in after-tax adjusted gross income (AGI) of 1.4 and 0.6 percent, respectively. Middle-income taxpayers with incomes that fall within the 30th to 80th percentiles would see larger increases in their after-tax AGI, of between 3.0 and 8.3 percent. Taxpayers with incomes that fall in the highest income class (the 90-100 percent decile) would see an increase in after-tax income of 14.6 percent. The top 1 percent of all taxpayers would see a 21.6 percent increase in after-tax income.

On a dynamic basis, the plan would increase after-tax incomes by 20 percent on average. All deciles would see an increase in after-tax AGI of at least 10.6 percent over the long-term. Taxpayers that fall in the bottom three deciles would see their after-tax AGIs increase between 10.6 and 11.5 percent. Middle-income taxpayers in the 30th to 70thpercentiles would see increases in their after-tax AGI by as much as 19.7 percent. The top 1 percent of all taxpayers would see an increase in after-tax AGI of 27.0 percent.

Table 4. Distributional Analysis for Donald Trump’s Tax Reform Plan

Effect of Tax Reform on After-Tax Income Compared to Current Law
All Returns by Decile Static Distributional Analysis Dynamic Distributional Analysis
0% to 10%

1.4%

10.7%

10% to 20%

0.6%

10.6%

20% to 30%

1.2%

11.5%

30% to 40%

3.0%

14.3%

40% to 50%

5.3%

17.7%

50% to 60%

7.2%

19.5%

60% to 70%

8.0%

19.7%

70% to 80%

8.3%

19.4%

80% to 90%

8.9%

19.5%

90% to 100%

14.6%

22.6%

99% to 100%

21.6%

27.0%

 TOTAL FOR ALL

10.2%

20.0%

Source: Tax Foundation Taxes and Growth Model, Sept. 2015.

Conclusion

Donald Trump’s tax plan would enact a number of tax reforms that would both lower marginal tax rates on workers and significantly reduce the cost of capital. These changes in the incentives to work and invest would greatly increase the U.S. economy’s size in the long run, leading to higher incomes for taxpayers at all income levels. The plan would also be a large tax cut, which would increase the federal government’s deficit by over $10 trillion, both on a static and dynamic basis.

Modeling Notes

We modeled the most significant provisions outlined above, and most of the less-significant provisions. The exception to this, generally, is provisions that refer to unspecified closing of loopholes. We also did not model the unspecified changes to the Personal Exemption Phase-out or the Pease Limitation on Itemized Deductions. However, we approximated this by substantially scaling back the value of itemized deductions other than those that Mr. Trump specifically noted he would like to keep. A more aggressive assumption here could have further mitigated the revenue effects of the personal income tax cut. However, neither of the provisions mentioned has nearly the impact of the rate reductions.

We assumed that the standard deduction (which resembles a zero bracket) was folded into the zero bracket proposed by Mr. Trump, rather than adding the zero bracket on top of the standard deduction.

While Mr. Trump did not state specifically which corporate tax expenditures he wanted to eliminate (other than deferral), we approximated this by eliminating those that did not have to do with capital cost recovery. We increased revenues accordingly, though their value was substantially lower under a 15 percent rate than under today’s 35 percent rate.

We did not account for profit shifting from abroad due to a lower U.S. corporate income tax rate. An increase in reported income in the U.S. could somewhat mitigate the revenue effects of the corporate rate cut. We also did not model the revenue impact of ending deferral. These are likely to be small in tandem with a corporate tax rate of 15 percent, because the 15 percent is lower than the average corporate tax rate abroad, so foreign tax credits make the additional U.S. tax in that case relatively small.[3]

Finally, it is worth noting that the Taxes and Growth Model does not take into account the fiscal or economic effects of interest on debt. It also does not require budgets to balance over the long term. It also does not account for the potential macroeconomic effects of any spending cuts that may be required to finance the plan.

 

See the Tax Foundation Calculator 2016 to see exactly how this will impact your taxes.

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