Consumption inequality is rising

In the last thirty years, consumption inequality has risen as fast as income inequality.

It has been a common belief that, while income inequality has risen rapidly in the west generally, and the United States specifically, inequality of consumption has travelled a much milder trajectory. Many reasons have been given for this effect, which was seen in a number of studies and generally assumed to be true.

Some argued that the divergence between the two was due to the unsustainable bubble of consumer credit; while the rich were getting richer faster than the poor were getting less poor, both ended up with mobile phones and flatscreen TVs, but the latter bought them with borrowed money. This, of course, leads those like Edwina Currie to argue that poor people aren't really poor because they have nice things.

Another interesting point raised off the back of the figures was the claim that it was entirely understandable, since the marginal utility of money declines pretty quickly. Thus, the explanation goes, income growth at the top end doesn't increase consumption all that much, since there isn't much to spend that money on. If this is true, then consumption inequality would indeed rise slower than income inequality in countries where absolute poverty is rare.

Now, though, it seems that both these arguments may come from faulty premises. A new paper from the American National Bureau of Economic Research argues that actually, consumption inequality has been rising at much the same rate as income inequality.

The authors write (£):

There is now mounting evidence that the [consumer expenditure survey, the source of many of the claims of divergence] is plagued by serious non-classical measurement error, which hinders the extent to which definitive conclusions can be made about the extent to which consumption inequality has evolved over the last three decades. . . 

Consumption inequality within the U.S. between 1980 and 2010 has increased by nearly the same amount as income inequality

And conclude:

Across every other measure of consumption we analyzed, consumption inequality increased substantially.

Of course, the same questions apply to consumption inequality as do to income inequality: why does it actually matter? So long as everyone can consume the essentials, does the difference between them and the rich have any effect?

The answer is one that Adam Smith hit upon over two centuries ago (although you are unlikely to find the libertarian Adam Smith Institute quoting it): what the rich can afford has a material effect on what is essential.

In The Wealth of Nations, published 1776, Smith wrote:

A linen shirt, for example, is, strictly speaking, not a necessary of life. The Greeks and Romans lived, I suppose, very comfortably, though they had no linen. But in the present times, through the greater part of Europe, a creditable day-labourer would be ashamed to appear in public without a linen shirt, the want of which would be supposed to denote that disgraceful degree of poverty, which, it is presumed, nobody can well fall into without extreme bad conduct.

Custom, in the same manner, has rendered leather shoes a necessary of life in England. The poorest creditable person, of either sex, would be ashamed to appear in public without them. In Scotland, custom has rendered them a necessary of life to the lowest order of men; but not to the same order of women, who may, without any discredit, walk about barefooted.

In France, they are necessaries neither to men nor to women; the lowest rank of both sexes appearing there publicly, without any discredit, sometimes in wooden shoes, and sometimes barefooted. Under necessaries, therefore, I comprehend, not only those things which nature, but those things which the established rules of decency have rendered necessary to the lowest rank of people.

Cartoonist Ruben Bolling sums the argument up in eight panels.

To Smith's list we can reasonably add mobile phones (required for much shift work), computers (essential for jobseeking) and, in much of the country, cars. Consumption inequality adds to this list from the top end even as the bottom end remains unable to afford it.

Hat tip to Matt Yglesias for the paper.

A Tajik migrant texts in Moscow. Mobiles are an essential tool worldwide (Getty)

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

Photo: Getty Images
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The Fire Brigades Union reaffiliates to Labour - what does it mean?

Any union rejoining Labour will be welcomed by most in the party - but the impact on the party's internal politics will be smaller than you think.

The Fire Brigades Union (FBU) has voted to reaffiliate to the Labour party, in what is seen as a boost to Jeremy Corbyn. What does it mean for Labour’s internal politics?

Firstly, technically, the FBU has never affliated before as they are notionally part of the civil service - however, following the firefighters' strike in 2004, they decisively broke with Labour.

The main impact will be felt on the floor of Labour party conference. Although the FBU’s membership – at around 38,000 – is too small to have a material effect on the outcome of votes themselves, it will change the tenor of the motions put before party conference.

The FBU’s leadership is not only to the left of most unions in the Trades Union Congress (TUC), it is more inclined to bring motions relating to foreign affairs than other unions with similar politics (it is more internationalist in focus than, say, the PCS, another union that may affiliate due to Corbyn’s leadership). Motions on Israel/Palestine, the nuclear deterrent, and other issues, will find more support from FBU delegates than it has from other affiliated trade unions.

In terms of the balance of power between the affiliated unions themselves, the FBU’s re-entry into Labour politics is unlikely to be much of a gamechanger. Trade union positions, elected by trade union delegates at conference, are unlikely to be moved leftwards by the reaffiliation of the FBU. Unite, the GMB, Unison and Usdaw are all large enough to all-but-guarantee themselves a seat around the NEC. Community, a small centrist union, has already lost its place on the NEC in favour of the bakers’ union, which is more aligned to Tom Watson than Jeremy Corbyn.

Matt Wrack, the FBU’s General Secretary, will be a genuine ally to Corbyn and John McDonnell. Len McCluskey and Dave Prentis were both bounced into endorsing Corbyn by their executives and did so less than wholeheartedly. Tim Roache, the newly-elected General Secretary of the GMB, has publicly supported Corbyn but is seen as a more moderate voice at the TUC. Only Dave Ward of the Communication Workers’ Union, who lent staff and resources to both Corbyn’s campaign team and to the parliamentary staff of Corbyn and McDonnell, is truly on side.

The impact of reaffiliation may be felt more keenly in local parties. The FBU’s membership looks small in real terms compared Unite and Unison have memberships of over a million, while the GMB and Usdaw are around the half-a-million mark, but is much more impressive when you consider that there are just 48,000 firefighters in Britain. This may make them more likely to participate in internal elections than other affiliated trade unionists, just 60,000 of whom voted in the Labour leadership election in 2015. However, it is worth noting that it is statistically unlikely most firefighters are Corbynites - those that are will mostly have already joined themselves. The affiliation, while a morale boost for many in the Labour party, is unlikely to prove as significant to the direction of the party as the outcome of Unison’s general secretary election or the struggle for power at the top of Unite in 2018. 

Stephen Bush is editor of the Staggers, the New Statesman’s political blog.