MIT academics propose carbon tax as the solution to America's deficit problems

Compared to the fiscal cliff, a carbon tax would boost growth while cutting emissions.

The Washington Post's Brad Plumer reports on a paper from the MIT Global Change Institute which argues that a carbon tax could, and should, replace the Bush tax cuts in the US.

Plumer:

The authors model what would happen if, this December, Congress enacted a small fee on carbon emissions to fend off a portion of the tax hikes and spending cuts that are scheduled to occur. The carbon tax would be levied directly on fossil fuels—on coal that comes out of the mine, say, or oil that’s shipped in from overseas—and would start at $20 per ton of carbon in 2013, rising 4 percent each year thereafter.

The authors, Sebastian Rausch and John M. Reilly, estimate that this tax would raise $1.5 trillion over the next 10 years.

To advocates of a carbon tax, this paper ought to be a mixed blessing.

On the one hand, the framing of the tax in terms of sensible deficit reduction is one of the better ways to get it in the debate. In both Britain and America, there is – for good or ill – an agreement that high deficits are a major problem which needs to be dealt with, and so hitching any policy to that cause is a far better recipe for success than pointing out its efficacy at fighting climate change.

On the other, the purpose of the tax could get muddled if this is how the debate is to proceed. Look, for example, at debates over the Robin Hood tax. No-one can agree whether it is being implemented to raise revenues, cut down on practices like high-frequency trading, or some undefined mixture of the two.

With a Robin Hood tax, that may be an acceptable confusion, but with a carbon tax, it is undoubtedly introduced to reduce carbon emissions. To think otherwise would be dangerous indeed. And so yoking a deficit reduction program to the tax creates some perverse incentives on the part of lawmakers. For if the tax does succeed in reducing carbon emissions – which the authors of the MIT paper suggest it will, though not by nearly enough to single-handedly solve the problem for the US – then the revenues gathered by it will drop accordingly.

Even so, having a carbon tax is still better than not having one, and the choke point the authors identify – the US fiscal cliff, and all the uncertainty it brings with it – could well be a time for introducing novel legislation of all stripes to the house.

A protest placard from Australia, where the carbon tax is rather unpopular. Photograph: Getty Images

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Five things we've learned from Labour conference

The party won't split, Corbynite divisions are growing and MPs have accepted Brexit. 

Labour won't split anytime soon

For months, in anticipation of Jeremy Corbyn’s re-election, the media had speculated about the possibility of a Labour split. But the party’s conference confirmed that MPs have no intention of pursuing this course (as I had long written). They are tribally loyal to Labour and fear that a split would prove electorally ruinous under first-past-the-post. Many still expect Theresa May to hold an early general election and are focused on retaining their seats.

Rather than splitting, Corbyn’s opponents will increase their level of internal organisation in a manner reminiscent of the left’s Socialist Campaign Group. The “shadow shadow cabinet” will assert itself through backbench policy committees and, potentially, a new body (such as the proposed “2020 group”). Their aim is to promote an alternative direction for Labour and to produce the ideas and organisation that future success would depend on.

MPs do not dismiss the possibility of a split if their “hand is forced” through a wave of deselections or if the left achieves permanent control of the party. But they expect Labour to fight the next election as a force at least united in name.

Neither the Corbynites nor the rebels have ultimate control 

Corbyn’s second landslide victory confirmed the left’s dominance among the membership. He increased his winning margin and triumphed in every section. But beyond this, the left’s position is far more tenuous.

The addition of Scottish and Welsh representatives to the National Executive Committee handed Corbyn’s opponents control of Labour’s ruling body. Any hope of radically reshaping the party’s rule book has ended.

For weeks, Corbyn’s allies have spoken of their desire to remove general secretary Iain McNicol and deputy leader Tom Watson. But the former is now safe in his position, while the latter has been strengthened by his rapturously received speech.

Were Corbyn to eventually resign or be defeated, another left candidate (such as John McDonnell) would struggle to make the ballot. Nominations from 15 per cent of MPs are required but just six per cent are committed Corbynites (though selection contests and seat losses could aid their cause). It’s for this reason that allies of the leader are pushing for the threshold to be reduced to five per cent. Unless they succeed, the hard-left’s dominance is from assured. Were an alternative candidate, such as Clive Lewis or Angela Rayner, to succeed it would only be by offering themselves as a softer alternative.

Corbynite divisions are intensifying 

The divide between Corbyn’s supporters and opponents has recently monopolised attention. But the conference showed why divisions among the former should be interrogated.

Shadow defence secretary Clive Lewis, an early Corbyn backer, was enraged when his speech was amended to exclude a line announcing that Labour’s pro-Trident stance would not be reversed. Though Lewis opposes renewal, he regards unilateralism as an obstacle to unifying the party around a left economic programme. The longer Corbyn remains leader, the greater the tension between pragmatism and radicalism will become. Lewis may have alienated CND but he has improved his standing among MPs, some of whom hail him as a bridge between the hard and soft left.

Elsewhere, the briefing against McDonnell by Corbyn allies, who suggested he was an obstacle to recruiting frontbenchers, showed how tensions between their respective teams will remain a story.

Labour has accepted Brexit

Ninety four per cent of Labour MPs backed the Remain campaign during the EU referendum. But by a similar margin, they have accepted the Leave vote. Jeremy Corbyn and John McDonnell, both long-standing eurosceptics, confirmed that they would not seek to prevent Brexit.

Owen Smith called for a referendum on the eventual deal during his leadership campaign. But with some exceptions, such as Angela Eagle, most of his backers have rejected the idea. Though 48 per cent of the electorate voted Remain, MPs emphasise that only 35 per cent of constituencies did. Some still fear an SNP-style surge for Ukip if Labour seeks to overturn the outcome.

The debate has moved to Britain’s future relationship with Europe, most notably the degree of free movement. For Labour, like Theresa May, Brexit means Brexit.

Corbyn will not condemn deselections 

The Labour leader could have won credit from MPs by unambiguously condemning deselection attempts. But repeatedly invited to do so, he refused. Corbyn instead defended local parties’ rights and stated that the “vast majority” of MPs had nothing to fear (a line hardly reassuring to those who do). Angela Eagle, Stella Creasy and Peter Kyle are among the rebels targeted by activists.

Corbyn can reasonably point out that the rules remain the same as under previous leaders. MPs who lose trigger ballots of their local branches face a full and open selection. But Labour’s intensified divisions mean deselection has become a far greater threat. MPs fear that Corbyn relishes the opportunity to remake the parliamentary party in his own images.  And some of the leader’s allies hope to ease the process by reviving mandatory reselection. Unless Corbyn changes his line, the issue will spark continual conflict. 

George Eaton is political editor of the New Statesman.