Would a Carbon Tax and Corporate Tax Reform Taste Great Together?

Two great tastes often taste great together. Chocolate and peanut butter. Oreos and milk. Popcorn and butter. Could the same be true of carbon taxes and corporate tax reform? Done right, each could be flavorful. But would they be even tastier together?

My Tax Policy Center colleague Eric Toder and I explore that question in a new paper. We find that using a carbon tax to help pay for corporate tax reform has several attractions and one big drawback. A well-designed tax swap could combat climate change, make our corporate tax system more competitive, and reduce long-term deficits, but would be quite regressive, increasing tax burdens on most Americans while cutting them on those with the highest incomes.

Let’s start with the good news. Putting a price on carbon dioxide and other greenhouse gases would be an efficient way to reduce future emissions, encourage greener technologies, and reduce future risks of climate change. A carbon tax would make real the adage that you should tax things that you don’t want–like pollution–rather than things you do.

A carbon tax could also raise substantial revenue. One common proposal, a $20 per ton tax rising at 5.6 percent annually, would raise north of $1 trillion over ten years. That money could help reduce future deficits, pay for offsetting tax cuts, or a combination of both.

Which brings us to corporate reform. Just about everyone wants to cut America’s corporate tax rate, now the highest in the developed world. President Obama wants to lower the federal rate from 35 percent to 28 percent. Many Republicans, including House Ways and Means Chairman Dave Camp, hope to get down to 25 percent or even lower. But they are all having a hard time finding a way to pay for such rate cuts. It’s easy to talk about closing “loopholes” and “special interest” tax breaks in the abstract, but in practice it’s difficult to cut back enough to make such large rate cuts.

Enter the carbon tax. A reasonable levy could easily pay for cutting the corporate tax rate to 28 percent or even lower. In fact, such rate cuts would require only a fraction of carbon revenues if lawmakers also identify some significant tax breaks to go after. The remaining carbon revenues could then finance deficit reduction or other policies.

Cutting the corporate tax rate would boost the U.S. economy, reduce many distortions in our existing code, and weaken multinationals’ incentives to play accounting games to avoid U.S. taxes. The resulting economic gains might even be enough to offset the economic costs of the carbon tax. That’s a tasty recipe.

Except for one missing ingredient: fairness. Like other consumption taxes, a carbon tax would fall disproportionately on low-income families. Cutting corporate income taxes, on the other hand, would disproportionately benefit those with higher incomes. A carbon-for-corporate tax swap would thus be quite regressive.

Eric and I used TPC’s tax model to measure this regressivity for a stylized carbon tax that would raise revenues equal to 1 percent of American’s pre-tax income. As illustrated by the light blue bars in the chart below, that carbon tax would boost taxes by more than 1 percent of pre-tax income for households in the bottom four income quintiles—1.8 percent, for example, in the lowest fifth of the income distribution. The increase would be smaller at higher incomes. Folks with the highest incomes would bear a significantly lower relative burden—just 0.75 percent of their pre-tax income, for the top 20 percent of households.

carbonTax6-05

Pairing a carbon tax with an offsetting cut in corporate taxes would make things more regressive (dark blue bars). Lower corporate rates would benefit taxpayers at all income levels, workers and investors alike. But the biggest savings would go to high-income households. Cutting corporate taxes offsets less than a third of carbon tax burden for households in the first three income quintiles, but more than offsets the carbon tax burden in the highest-income group. The net effect would be a tax cut for high-income taxpayers, and tax increases for everyone else.

That regressivity is a serious concern. A carbon-for-corporate tax swap may be a recipe for environmental and economic improvement, but it isn’t a complete one. As Eric and I discuss in the paper, lawmakers should therefore consider other policy ingredients—per capita credits, for example—that could help protect low-income households and potentially make a carbon-for-corporate tax swap a more balanced policy option.

Five Key Facts about the House Debt Limit Bill

On Wednesday, the House will vote on a bill to delay the upcoming debt limit showdown. The bill includes no spending cuts, no tax increases, and no platinum coins of unusual size. Instead, it will “suspend” the debt limit through May 18 to give lawmakers time to pass a budget in each chamber. To give them extra incentive, it also includes a new twist: If they fail to pass a budget by April 15, it will withhold their pay.

Here are five things you should know about the bill.

1. The bill doesn’t just suspend the debt limit, it raises it.

Section 1(a) of the bill suspends the debt limit through May 18. You might think that the current limit would go back into effect on May 19. And it would, except for section 1(b) which increases the debt limit to reflect new debt issued between now and then.

The bill thus increases the debt limit by an amount to be determined later. That unusual structure lets lawmakers tie the debt limit increase to a specific date, rather than an amount. It also means they get to increase the debt limit, presumably by several hundred billion dollars, without having to expressly vote for such an amount.  It’s a less transparent, and therefore less painful, way to increase the debt limit.

2. Treasury can’t build up an enormous cash hoard.

In principle, Treasury could use this reprieve to build up a pile of cash before the new limit is determined on May 19. For example, Treasury could issue an extra $500 billion in debt and hold the proceeds as cash to cover deficits once the new limit is in place.

But the bill drafters already thought of that. To prevent such gaming, the bill limits the obligations that could be financed with new debt. An obligation isn’t covered “unless the issuance of such obligation was necessary to fund a commitment incurred by the Federal Government that required payment before May 19, 2013.” In short, no funny stuff.

3. Nevertheless, the bill could allow Treasury running room well beyond May 19.

We first hit the debt limit on New Year’s Eve. Since then, Treasury Secretary Geithner has raised cash by engaging in extraordinary (albeit now-familiar) measures such as stuffing IOUs into federal employee retirement accounts in place of the federal debt they own.

A big question is whether the bill would allow the Treasury Secretary to undo those extraordinary measures and reload for the next time we hit the debt limit. The folks at the Bipartisan Policy Center, who do a great job tracking the debt limit, believe that it would. If so, the bill would put off the day of debt limit reckoning well beyond May 19.

4. Because of a constitutional issue, the bill threatens to delay congressional pay, not eliminate it.

With prompting from the group No Labels, lawmakers had toyed with the idea of not paying the members of Congress if they fail to pass a budget resolution by April 15 (“No Budget, No Pay”). But that idea ran afoul of the 27th Amendment  (the weird one that was ratified in 1992 after passing Congress back in 1789). It says:

No law, varying the compensation for the services of the Senators and Representatives, shall take effect, until an election of Representatives shall have intervened.

To avoid “varying” the amount of compensation, the bill would escrow congressional pay until each chamber passes its budget or the end of the 113th Congress. In short, No Budget, No Pay Until January 2015.

5. Members of Congress don’t need to enact a budget to get paid on time.

The bill doesn’t require that lawmakers actually enact a budget. That would be a hard task, since it would require the Republican House to agree with the Democratic Senate on a budget plan.

Instead, the bill focuses on the first steps of the process, in which the House and Senate pass their own budget resolutions. If the House passes a budget, its members would get paid on schedule, and the same for the Senate (which hasn’t done a budget for several years). But there is no new penalty if the House and Senate can’t agree on a final budget.

Treasury Puts the Kibosh on Platinum Coins

Ezra Klein reports an official statement from Anthony Coley, a Treasury spokesperson, killing the platinum coin strategy:

“Neither the Treasury Department nor the Federal Reserve believes that the law can or should be used to facilitate the production of platinum coins for the purpose of avoiding an increase in the debt limit.”

So R.I.P. platinum coins of  unusual size.

The administration has previously ruled out another oft-discussed debt-limit safety valve, overriding the limit based on the 14th amendment. So “Plan B” discussions will now move to two other alternatives that have been bandied about: prioritizing payments or, as Ed Kleinbard suggested the other day, issuing scrip like California did a couple years ago. Of course, issuing scrip *is* prioritizing payments, but with the added feature (or complication) of a written, transferable IOU.

Is the Trillion-Dollar Platinum Coin Clever or Insane?

Policy wonks are debating whether a trillion-dollar platinum coin would be a clever or insane way for President Obama to play hardball with Republicans in the upcoming debt limit battle. Here’s what you should know about this crazy-sounding idea:

1.     A legal loophole gives the Treasury Secretary apparently unlimited authority to mint platinum coins.

Treasury is forbidden from printing money to cover government deficits. Treasury must issue debt, while the Federal Reserve independently controls our nation’s monetary printing press.

That is exactly as it should be. But there is an arcane exception for platinum coins. To serve coin collectors, Treasury can issue platinum coins of any denomination. That creates an intriguing loophole: Treasury could bypass the collector market and mint a trillion-dollar platinum coin. By depositing it at the Federal Reserve, Treasury could keep paying bills after we’ve fully exhausted our borrowing limit.

2.     Most observers think this is a terrible idea, but the legal arguments against it are weak at best.

A who’s who of commentators has already objected to the coin on legal, economic, political, and image grounds (see, for example, John Carney, Matt Cooper, Tyler Cowen, Kevin Drum, Jim Hamilton, Heidi Moore, and Felix Salmon). I’m no lawyer, but the legal arguments seem wholly unconvincing. The language of the statute is clear, and in any case, the executive branch gets away with expansive actions in extreme times. During the financial crisis, for example, Treasury aggressively interpreted its authorities in order to bail out GM and Chrysler and to backstop money market funds. If default became a real possibility, the same expansiveness could easily justify a platinum coin.

3.     The economic arguments against the coin are stronger but manageable.

There’s a good reason that Treasury is forbidden from printing money to pay our debts: inflation. Many economies have been ruined when profligate governments turned to printing money. But minting the platinum coin needn’t mean monetizing our debt. The Federal Reserve has ample ability to offset any inflationary impact by selling some of the trillions in Treasury securities it already owns. As long as the Fed does its job, inflation would not be a risk.

4.     The best arguments against the platinum coin involve image and politics.

Minting a trillion-dollar coin sounds like the plot of a Simpsons episode or an Austin Powers sequel. It lacks dignity. And despite modern cynicism, that means something.

It would also be premature. President Obama and the Republican and Democratic members of Congress have roughly two months to strike a debt limit deal. There is no reason to short-circuit that process, as painful as it may be, with preemptive currency minting as the now-famous #MintTheCoin petition to the White House suggests.

5.     Nonetheless the platinum coin strategy might be better than the alternatives if we reach the brink of default.

Analysts have considered a range of other options for avoiding default, including prioritizing payments, asserting the debt limit is unconstitutional, and temporarily selling the gold in Fort Knox. All raise severe practical, legal, and image problems.

In this ugly group, the platinum coin looks relatively shiny. In particular, it would be much less provocative than President Obama asserting the debt limit is unconstitutional. That nuclear option would create a political crisis, while a platinum coin could be a constructive bargaining chip. As Josh Barro notes, President Obama could offer to close the platinum coin loophole as part of a deal to raise or eliminate the debt ceiling.

6.     If necessary, Treasury should mint smaller platinum coins, not a trillion-dollar one.

A trillion-dollar coin is eye-catching and ridiculous. That’s why it’s filled the punditry void left by the fiscal cliff. But a single coin makes no policy sense. No federal transactions occur in trillion-dollar increments.

Among the largest transactions are Treasury bond auctions, which today raise about $25 billion at a time. If necessary, Treasury could issue individual $25 billion coins, each in lieu of a needed bond auction. Still ridiculous, to be sure, but less so as it would calibrate coin issuance to immediate financing needs.

Steve Randy Waldman suggests as even more granular approach: issuing coins denominated in millions not billions. Such “small” denominations would be even less ridiculous and could potentially be used in transactions with private firms, not just Fed deposits.

Of course, the best path would be a bipartisan agreement to increase the debt limit, address spending cuts, and strengthen our fiscal future, all settled before the precipice. If we reach the brink, however, minting million- or billion-dollar platinum coins would be better than default.

The Six Best Fiscal Cliff Videos

Are you suffering fiscal cliff fatigue yet?

I am, but that doesn’t mean I don’t enjoy a good fiscal cliff video. Here are six of the best, some wonky, some wacky.

1. David Wessel, Wall Street Journal: Standing on an actual Potomac cliff

2. Salman Khan, Khan Academy: For beginners

3. The Simpsons: The most popular fiscal cliff video by far

4. Felix Salmon, Reuters: Legos and Clifford the dog (get it?)

5. Merle Hazard: Surfing on the fiscal cliff

And if you will forgive a little self-promotion:

6.  Me, Urban Institute and the Tax Policy Center: What happens to taxes?

Understanding President Obama’s Revenue Targets

President Obama and administration officials have offered two different revenue targets for the fiscal cliff debate: $1 trillion and $1.6 trillion (sometimes reported as $1.5 trillion). You might be wondering (I was) where those numbers come from.

The $1 Trillion

President Obama wants to extend the majority of the Bush-era individual income tax cuts—enacted in 2001 and 2003 and extended in 2010—except for those that affect only households with incomes more than $200,000 (single) or $250,000 (joint). In addition, he wants to return the estate tax to its 2009 structure, rather than the one that applies today. Together, those changes would increase revenue by $968 billion over the next decade, according to Treasury estimates, relative to a current policy baseline (i.e., a baseline that has income and estate taxes in their 2012 form).

That $968 billion, which rounds to $1 trillion, has the following components, all applying only to taxpayers with incomes above the president’s thresholds:

All of the provisions in this list are part of the fiscal cliff, which is why the President has emphasized them—and the trillion-dollar figure—in his comments about dealing with the cliff. The larger number—the $1.6 trillion—arises in discussions about the larger fiscal deal that might accompany the cliff negotiations.

The $1.6 Trillion

In his budget last February, President Obama proposed $1.56 trillion in tax increases. In round numbers: $1.6 trillion, sometimes misreported as $1.5 trillion.

That figure includes the $968 billion noted above plus another $593 billion in tax increases.

The largest of those, by far, is the president’s proposal to limit the value of itemized deductions and certain exclusions for upper-income taxpayers. Under that proposal, upper-income taxpayers would benefit only 28 cents on the dollar for their charitable deductions, mortgage interest, employer-provided health insurance, etc., even if they are in the 36% or 39.6% tax brackets.

That provision would raise $584 billion. The rest of his tax provisions, including both cuts and increases, then net out to just $9 billion.

As rough justice, therefore, you can think of the president’s $1.6 trillion target as being almost entirely composed of his proposed tax increases on high-income households: $968 billion + $584 billion = $1.552 trillion. That ignores dozens of his other proposals, of course, but gives a good sense of what’s in his overall revenue aspiration.

P.S. For details on any of these proposals, please see TPC’s comprehensive analysis of the president’s tax proposals.

P.P.S. The President’s budget actually proposed $1.69 trillion in revenue increases. That’s the figure reported in Treasury’s summary of the proposals (known as the Green Book) and in TPC’s analysis of the president budget. The difference between that and the budget’s $1.56 trillion figure reflects some arcane budget presentation decisions. For example, the president proposed a $61 billion fee on banks that the Treasury reports as revenue, but the budget does not include in its tax section.

P.P.P.S. 2010’s health reform included new taxes on upper incomes that go into effect on January 1. Including those taxes, the top capital gains rate under the president’s proposal would rise to 23.8% and the top dividend rate to 43.4% (not including the effects of Pease).

How Much Money Can You Raise by Capping Deductions?

Governor Romney has proposed roughly $5 trillion in tax cuts, but he doesn’t want to reduce overall tax revenues. He hopes to generate some revenue by boosting the economy, but even if that works, he will need trillions of dollars of “base broadeners” — i.e., offsetting tax increases. Like most politicians, he’s been vague about what those base broadeners might be. But in the past few weeks, he has discussed the idea of capping the amount of itemized deductions taxpayers can take, perhaps to $17,000, $25,000, or $50,000.

How much revenue could you raise by doing this? My colleagues at the Tax Policy Center just released some estimates of this. As noted by Bob Williams:

Eliminating all itemized deductions would yield about $2 trillion of additional revenue over ten years if we cut all rates by 20 percent and eliminate the AMT [DM: two key aspects of Romney’s tax proposal]. Capping deductions would generate less additional revenue, and the higher the cap, the smaller the gain. Limiting deductions to $17,000 would increase revenues by nearly $1.7 trillion over ten years. A $25,000 cap would yield roughly $1.3 trillion and a $50,000 cap would raise only about $760 billion.

Capping itemized deductions at $25,000 would thus produce about one-quarter of the revenue needed to offset Governor Romney’s tax cuts, and completely eliminating them (which he has not suggested) would cover about 40% of the revenue needed.

As you might expect, high caps are quite progressive, i.e., they:

[I]mpose proportionally more of the tax increase on higher-income households, as new TPC estimates show. With tax rates 20 percent below today’s rates, about 83 percent of the revenue gain in 2015 from a $17,000 cap would fall on the top quintile and about 40 percent on the top 1 percent. Raising the cap to $25,000 would boost those shares to nearly 90 percent on the top quintile and fully half on the top 1 percent. A $50,000 cap would virtually exempt the bottom four quintiles from higher taxes: less than 4 percent of the tax increase would fall on them, while nearly 80 percent would hit the top 1 percent. (Phasing down the caps at high-income levels [DM: which Romney has mentioned as a possibility] would, of course, concentrate the revenue gains even more at the high end, but how much would depend on the details.)

More here.

Five Things You Should Know about Mitt Romney’s “$5 Trillion Tax Cut”

You’ve probably heard claims that Mitt Romney wants to cut taxes by $5 trillion. Here are five things you should know about that figure:

1. $5 trillion is the gross amount of tax cuts he has proposed, not the net impact of all his intended tax reforms.

Governor Romney has been very specific about the taxes he would cut. Most notably, he would reduce today’s individual income tax rates by one-fifth (so the 10 percent bracket would fall to 8 percent, the 35 percent to 28 percent, etc.) and reduce the corporate income tax rate from 35 percent to 25 percent. In addition, he would eliminate the alternative minimum tax (AMT), the estate tax, the taxes created in 2010’s health reform act, and taxes on capital gains, dividends, and interest for incomes up to $200,000 ($100,000 for singles). The $5 trillion figure reflects the revenue impact of all those cuts.

But Romney has also said that he intends his reforms to be revenue-neutral, with the specified revenue losses being offset by a combination of economic growth and unspecified cuts in deductions and other tax preferences. The net impact of his reforms would undoubtedly be less than $5 trillion, perhaps much less if he’s aggressive in going after tax breaks or willing to compromise on some of his other tax reform goals (e.g., not raising taxes on investment income). Without any details about what he would do, however, we can’t measure the net revenue impact of his ideas.

2. $5 trillion is a 10-year extrapolation from a TPC estimate for 2015.

TPC has estimated that the gross tax cuts proposed by Romney would amount to $456 billion in 2015. Budget debates in Washington often focus on ten-year periods, so commentators have coalesced around a natural, if imprecise, extrapolation: multiply by 10 and round up because of a growing economy. Result: $5 trillion over ten years.

3. $5 trillion does not include the impact of permanently extending many expiring tax cuts, including those from 2001 and 2003.

In budget parlance, the $5 trillion is measured against a current policy baseline, not a current law one. TPC’s current policy baseline assumes that many expiring tax cuts, including the 2001 and 2003 cuts, the AMT patch, the current version of the estate tax, and the tax credits enacted or expanded in 2009 will all be extended permanently. Romney proposes to extend all of these except the 2009 credits. Because it is measured against current policy, the $5 trillion figure does not include the revenue impact of any of those extensions (but does include a small revenue increase from expiration of the credits).

The current law baseline assumes all tax cuts expire as scheduled yielding almost $5 trillion more revenue than does current policy. Relative to current law, Romney’s tax proposal would thus be roughly a $10 trillion gross tax cut. (The same issue arises with President Obama’s tax proposals, which we estimate amount to a $2.1 trillion net tax increase relative to current policy, but a $2.8 trillion net tax cut relative to current law.)

4. $5 trillion includes more than $1 trillion in gross tax cuts for families earning $200,000 or less.

Governor Romney’s specified tax cuts would go primarily to high-income taxpayers for a simple reason: they pay a large share of taxes and thus get a large benefit from a proportional reduction in tax rates. But that doesn’t mean that all the tax cuts go to top earners. Middle- and upper-middle income taxpayers would also get a gross tax reduction because of the reduction in tax rates, the elimination of taxes on capital gains, dividends, and interest for low and middle incomes, and, for some, the elimination of the AMT. Those gross tax cuts amount to more than $1 trillion over ten years.

5. $5 trillion includes around $1 trillion in gross tax cuts for corporations.

Cutting the corporate income tax rate from 35 percent to 25 percent would lower corporate tax revenues by roughly $1 trillion over the next decade. Little-discussed in the current debate is whether and how Governor Romney would offset this revenue loss.

As he has rightly noted, corporate taxes are ultimately borne by people, including workers and shareholders. Most of the corporate rate reductions would ultimately benefit high-income taxpayers since they own more investment assets and earn higher labor income. But about two-fifths of the benefit would go to low-, middle-, and upper-middle income workers and investors.

Bottom line: Governor Romney has proposed about $5 trillion in specific, gross tax cuts over the next decade relative to current policy, most but not all of which would go to high-income taxpayers. He has also promised to offset a substantial portion of those cuts—presumably in the trillions of dollars—by reducing deductions and other tax breaks, primarily for high-income households. Lacking any specifics, however, we can’t know what net tax cut, if any, he proposes.

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