On Tax Reform, Ryan Knows Better

The House proposal beats Trump’s plan, which is more regressive and would induce huge tax avoidance.

 
 

The president and the speaker in the Rose Garden, May 4.

 
The president and the speaker in the Rose Garden, May 4. PHOTO: ZUMA PRESS

As Republicans push toward a major rewrite of the U.S. tax code, they must evaluate two competing proposals: the House GOP’s “Better Way” plan and President Trump’s framework, introduced last month. Either would greatly simplify personal and business taxation, but pro-growth reformers should hope that the final package looks more like the House’s proposal.

Let’s begin the analysis with personal taxes. Both plans eliminate the alternative minimum tax, deductions for state and local taxes, and the estate tax. The House plan eliminates exemptions, while Mr. Trump’s outline is unclear. Both raise the standard deduction, reduce the number of income-tax brackets, lower the top marginal tax rate, and provide a big break to those with pass-through business income. On this last point the Trump plan is particularly generous. It taxes pass-through income at 15%—far below its proposed top rate of 35% for regular income. The large gap between these rates would induce massive tax avoidance by the rich. The Better Way’s proposed rates are much closer: 25% and 33%, respectively. 

Another criterion to judge tax reform is its effect on the budget. Absent any economic response, the Better Way proposal would lower federal tax revenue by $212 billion a year, according to a recent study I conducted with Alan Auerbach, an economist at Berkeley. But some economic response is likely. The House plan would cut the U.S. corporate tax rate from one of the highest among developed countries to one of the lowest. Computer simulations—which will be included in a forthcoming journal article I am writing with Seth Benzell and Guillermo Lagarda —suggest that increased dynamism could raise U.S. wages and output by up to 8%. Under this optimistic scenario, federal tax revenue would rise by $38 billion a year.

We are in the process of simulating the Trump plan, and it is too early to say whether it produces less revenue. The plan’s potential for tax avoidance, however, is a major red flag.

Which plan is more regressive? Both personal tax reforms appear to help the rich. But the Better Way’s business tax reform actually appears highly progressive. Despite the popular perception that the corporate income tax is paid by the rich, my research suggests it represents a hidden levy on workers. This causes American companies and capital to flee the country, reducing demand for U.S. workers, whose wages consequently shrink.

The Better Way plan transforms the corporate income tax into something different: a business cash-flow tax with a border adjustment. Notwithstanding innumerable mischaracterizations by the press, politicians and business leaders, the cash-flow tax implements a standard value-added tax, plus a subsidy to wages. Every developed country has a VAT, which is an indirect way to tax consumption. All of these levies have border adjustments, which ensure that domestic consumption by domestic residents is taxed whether the goods in question are produced at home or imported. Unlike the Better Way, Mr. Trump’s plan does not include a border adjustment, which means it effectively taxes exports and subsidizes imports. This undermines his goal of reducing the U.S. trade deficit.

Where is the progressive element to the cash-flow tax? It’s in the subsidy to wages, which insulates workers from the brunt of the VAT. They will pay VAT consumption taxes when they spend their paychecks, but they also will have higher wages thanks to the subsidy. The folks who truly pay the cash-flow tax are the rich, because they pay the VAT when they spend wealth that was earned years or decades ago.

As my study with Mr. Auerbach shows, this quiet but large wealth tax makes the overall House plan almost as “fair” as the current system. Our analysis—in contrast with studies done by congressional agencies and D.C. think tanks—assesses progressivity based on what people of given ages and economic means get to spend over the rest of their lives. 

Consider the present value of remaining lifetime spending for 40-year-olds. The richest quintile of this cohort accounts for 51% of the group’s spending, and the poorest quintile for 6.3%. Under the House tax plan, those figures move only modestly, to 51.6% and 6.2%. And the Trump plan? Hard to say, given how easily the rich could transform otherwise high-tax wage income into low-taxed pass-through business income.

The Trump tax plan strikes out on all counts. Whoever knew tax reform could be this complicated? We specialists in public finance did. The bottom line is that the U.S. needs more revenue and less spending to close the long-term fiscal gap. The nation’s true debt—the present value of all projected spending, including the cost of servicing the $20 trillion in official debt, minus the present value of all current taxes—has been estimated by Alan Auerbach and Brookings’s William Gale to be as high as $206 trillion.

The Better Way plan moves in the right direction, but if the economy doesn’t respond as hoped, there’s a risk of larger deficits. One way to prevent that would be to eliminate the ceiling on earnings subject to the Social Security payroll tax. That could add $300 billion to the Treasury each year, according to our calculations. But even without that adjustment, the House plan seems far superior to both the current system and the Trump plan. The press, politicians, and business leaders should get things straight, including this key point: The Better Way tax plan is indeed a better way.

Mr. Kotlikoff, an economist at Boston University, is director of the Fiscal Analysis Center.

Appeared in the May. 12, 2017, print edition.

https://www.wsj.com/articles/on-tax-reform-ryan-knows-better-1494543487

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