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UPDATE: The Tax Foundation has updated its economic and revenue estimates for Rand Paul's tax reform plan. The new estimates are based on the latest version of the Taxes and Growth (TAG) Model (the October 2015 version). More details on the update at the bottom of the page.

Senator Rand Paul (R-KY), a candidate for president, recently announced his plan to reform the U.S. tax code. His proposal, the Flat and Fair Tax, would move to a 14.5 percent tax rate on all types of income with a sizable deduction and exemption, eliminate the corporate tax to create a 14.5 percent business transfer tax paid by businesses on profits and wages, introduce full expensing for investments in capital, and eliminate the payroll tax on both the employer and employee.

Our analysis finds that Senator Pauls plan would grow the economy by 12.9 percent in the long run, create 4.3 million jobs, and cost $1.8 trillion over ten years on a static basis and raise $737 billion when accounting for economic growth.

Structure of the Tax Reform Plan

Sen. Paul would make a number of changes to the tax code for individuals. He would replace the current seven tax bracket structure with a flat rate of 14.5 percent and apply that tax rate to all income wages and salaries, capital gains, dividends, interest, and rents.

The plan would include a $15,000 standard deduction (per filer) and a $5,000 per person personal exemption. This means that a family of four would pay no income tax on their first $50,000 of income ($55,000 for a family of five, etc.).

Retirement accounts remain as they currently are and in our modeling we assumed that the exclusion for employer-provided health care remains.

The plan retains home mortgage and charitable deductions, the earned income tax credits, and the child tax credit and eliminates all other tax credits and deductions.

The plan would eliminate the payroll tax, the estate tax, and all customs duties and tariffs.

On the business side, the plan would eliminate the corporate tax, create a territorial type system, and introduce a 14.5 percent business transfer tax. This tax would be levied on a businesss factors of production and tax all capital income (profits, rents, royalties) and all labor payments (wages and salaries). All capital expenses (machines, equipment, buildings, etc.) are fully expensed in the first year, which would do away with current depreciation schedules. This tax would also apply to wages paid by governments and nonprofits.

The Economic and Revenue Estimates of the Plan

According to our Taxes and Growth Model, Senator Pauls tax reform proposal would increase GDP by 12.9 percent by the end of roughly 10 years (it may be shorter or longer depending on how long it takes business to pull permits for new buildings, supply chains to adjust, etc.). This is equivalent to average additional growth of a little under 1.2 percentage points per year.

This growth is largely due to a cut in the service price of capital, which is a result of lower taxes on businesses and investment, specifically the tax cut to 14.5 percent on business profits, the 14.5 percent rate on capital gains and dividends, and the shift to full expensing. These tax changes result in an increase of the capital stock of 40.5 percent by the end of the adjustment period and results in higher after tax wages of 5.5 percent.

Additionally, the tax cut on wage income to 14.5 percent also increases the incentive to work and results in 3.5 percent additional private business hours of work. This is equivalent to 4.3 million full-time jobs.

On a static basis, Senator Paul tax reform plan would lose nearly $2 trillion over a ten-year period, with an average annual cost of about $200 billion. If we account for the growth of the economy, over time this would lead to smaller tax costs. We estimate that the plan would end up raising an additional $737 billion over the budget window.

The Rand Paul Flat and Fair Tax with a 14.5% Income Tax Rate and a 14.5% Business Transfer Tax

Economic and Revenue Change Estimates vs Current Law

GDP

12.9%

Capital Investment

40.5%

After-Tax Wage Rate

11.4%

Full-time Equivalent Jobs (in thousands)

4,300

Static Federal Revenue Estimate, GDP Assumed Constant (annual, billions of current $)

Static, Final Year

-$257

Static, 10-Year Budget Window (2015-2024)

-$1,797

Dynamic Federal Revenue Estimate after GDP Gain or Loss (annual, billions of current $)

Dynamic, Final Year

$64

Dynamic, 10-Year Budget Window (2015-2024)

$737

Source: Tax Foundation Taxes and Growth Model.

Distributional Analysis

On a static basis, Senator Pauls plan would increase after tax income a total of 4 percent across all taxpayers. When not considering growth, it would have little to no effect on after tax income for those making under $10,000 of income and increase after tax income to varying degrees for all other income groups.

The little to no change in after tax income for filers with AGI under $10,000 is due to the elimination of the payroll tax and how that would interact with the change in labor compensation due to the business transfer tax, which has a secondaryeffect related to the phase-ins of the child tax credit and the earned income tax credit. On the whole, many people in this income group would likely receive a tax cut.

On a dynamic basis, the plan would increase after tax incomes by a total 16 percent for all income groups. Filers with income below $10,000 would see their income increase by over 10 percent. Taxpayers in income groups between $20,000 and $75,000 would see their incomes go up by about 14. Those with incomes above $500,000 would see their incomes go up over 20 percent.

The Distributional Effect of Rand Paul's Tax Reform Proposal

Distributional Analysis of "Flat and Fair Tax," All Returns with Positive Adjusted Gross Income

Adjusted Gross Income Class

Changes in Static After Tax AGI

Changes in Dynamic After Tax AGI

0 - 5,000

*

11%

5,000 - 10,000

*

11%

10,000 - 20,000

1%

12%

20,000 - 30,000

2%

14%

30,000 - 40,000

2%

14%

40,000 - 50,000

3%

14%

50,000 - 75,000

3%

14%

75,000 - 100,000

3%

14%

100,000 - 150,000

3%

14%

150,000 - 200,000

3%

15%

200,000 - 250,000

4%

15%

250,000 - 500,000

7%

19%

500,000 - 1,000,000

10%

23%

> 1,000,000

13%

27%

TOTAL FOR ALL

4%

16%

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The Economic Effects of Rand Paul's Tax Reform Plan | Tax