The OBR needs to get it right on productivity

If our forecasts carry on being made on faulty assumptions the government will never learn.

The Office for Budget Responsibility is making a critical mistake in being excessively gloomy about a lack of productive potential in the UK since the 2007 crisis.

One of the characteristics of the recession has been how quickly employment levels have returned to pre-recession levels. The OBR interprets this as being a result of severe damage to the productive capacity of the economy. Any demand expansion through fiscal policy to stimulate growth would, in its opinion, quickly run into production bottlenecks and hence price increases rather than an increase in output. OBR estimates put spare capacity, the potential to meet any new demand, at below 3 per cent. The issue is, where's the firm evidence for this view?

Historically, the UK economy has always returned quickly to its underlying long-run trend in productivity growth following a recession, and there's nothing to suggest this pattern has changed. The OBR is simply being far too pessimistic. Based on the evidence from past trends, the current level of spare capacity is likely to be nearer to 12 per cent than 3 per cent, mostly in the form of underemployed labour. Employers have decided to hold onto workers rather than risk running down their workforce.

The OBR has powerful allies in its position on capacity from the Treasury and the Bank of England. So who's right? What can look like an academic detail around the nature of 'spare capacity' has a direct impact on the livelihoods of huge numbers of workers and their families. It's important that such powerful institutions take a closer look at why there is so much disagreement between experts.

The first step is to understand how the current recession differs from those in the past and the implications. The drop in output has been more severe and persisted far longer than all previous recessions in the past forty years. Output has still not reached its pre-recession level after five years and there is little chance of it doing so before 2015. At the same time, employment growth has confounded the forecasters. Employment fell by 600 thousand following the 2008 downturn but recovered to exceed its pre-recession level by 2012. Despite stagnant output growth, employment increased by 700 thousand (2 percentage points) between 2010 and 2012.

The overall increase in employment between 2010 and 2012 is not all that it seems at first sight. Firstly, more than half of the additional jobs have been for part-time, not full-time, workers. For women, nearly three-quarters of the extra jobs have been for part-time workers. Secondly, workers are not working as many hours as they would like. According to the Office for National Statistics, one in ten workers wanted to work more hours than they were offered during 2012; and between 2008 and 2012, the number of workers who wanted to work more hours increased by one million. Thirdly, there were half a million fewer full-time jobs in 2012 than at the start of the recession.

Employers are temporarily "hoarding" labour so that output can be increased more rapidly when demand recovers. They don't want to lose skilled and experienced workers; keeping workers on during periods of slack demand can help build morale and good relations; and laying workers off can be difficult and expensive. There is also, for example, no evidence of large-scale scrapping of plant and machinery as happened in the manufacturing sector during the recession of the early 1980s.

The likelihood that low productivity in the UK is a consequence of labour hoarding is supported by international trends. Employers in the USA are less reluctant to shed labour during recessions than UK employers. The drop in labour productivity following the financial crisis was consequently much smaller in the USA than in the UK despite a very similar drop in output. The German experience has been similar to the UK. Jobs were protected in the early part of the recession through government sponsored short-time working schemes. This resulted in a sharp drop in labour productivity and a rise in labour hoarding.

The OBR is surely wrong to assume there has been no growth in productive potential since 2007. This not only assumes that technological progress has come to a stop because of the recession, which seems most unlikely, but also denies the likelihood that productivity has been held down because of substantial labour hoarding. The existence of large amounts of spare capacity in the UK economy implies that a demand expansion could be achieved without any serious inflationary consequences. Even if the growth in productive capacity has not kept pace with its historical trend, a growth rate of only half the historical trend would still leave enough spare capacity to justify a demand injection in order to bring a quicker end to the recession.

It is surely the right time to get the economy moving forward again by financing much needed infrastructure projects and new housing developments. To do otherwise would be seriously wasteful and ongoing pessimism could lead to a withering of productive capacity over the longer term. It is high time the Treasury took some positive action instead of burying its head in the sand.

A trader sleeps at her desk. Photograph: Getty Images

Jim Taylor is an Emeritus Professor at Lancaster University Management School.

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Here’s everything wrong with Daniel Hannan’s tweet about Saturday’s Unite for Europe march

I am Captain Ahab, and Dan is my great white whale, enraging and mocking me in equal measure through his continued political survival.

I was going to give up the Daniel Hannan thing, I really was. He’s never responded to this column, despite definitely being aware of it. The chances of him changing his views in response to verifiable facts seem to be nil, so the odds of him doing it because some smug lefty keeps mocking him on the internet must be into negative numbers.

And three different people now have told me that they were blissfully unaware of Hannan's existence until I kept going on about him. Doing Dan’s PR for him was never really the point of the exercise – so I was going to quietly abandon the field, leave Hannan to his delusion that the disasters ahead are entirely the fault of the people who always said Brexit would be a disaster, and get back to my busy schedule of crippling existential terror.

Told you he was aware of it.

Except then he does something so infuriating that I lose an entire weekend to cataloguing the many ways how. I just can’t bring myself to let it go: I am Captain Ahab, and Dan is my great white whale, enraging and mocking me in equal measure through his continued political survival.

I never quite finished that book, but I’m sure it all worked out fine for Ahab, so we might as well get on with it*. Here’s what’s annoying me this week:

And here are some of the many ways in which I’m finding it obnoxious.

1. It only counts as libel if it’s untrue.

2. This sign is not untrue.

3. The idea that “liars, buffoons and swivel-eyed loons” are now in control of the country is not only not untrue, it’s not even controversial.

4. The leaders of the Leave campaign, who now dominate our politics, are 70 per cent water and 30 per cent lies.

5. For starters, they told everyone that, by leaving the EU, Britain could save £350m a week which we could then spend on the NHS. This, it turned out, was a lie.

6. They said Turkey was about to join the EU. This was a lie too.

7. A variety of Leave campaigners spent recent years saying that our place in the single market was safe. Which it turned out was... oh, you guessed.

8. As to buffoons, well, there’s Brexit secretary David Davis, for one, who goes around cheerfully admitting to Select Committees that the government has no idea what Brexit would actually do to the economy.

9. There was also his 2005 leadership campaign, in which he got a variety of Tory women to wear tight t-shirts with (I’m sorry) “It’s DD for me” written across the chest.

10. Foreign secretary Boris Johnson, meanwhile, is definitely a liar AND a buffoon.

11. I mean, you don’t even need me to present any evidence of that one, do you? You just nodded automatically.

12. You probably got there before me, even. For what it's worth, he was sacked from The Times for making up a quote, and sacked from the shadow frontbench for hiding an affair.

13. Then there’s Liam Fox, who is Liam Fox.

14. I’m not going to identify any “swivel-eyed loons”, because mocking someone’s physical attributes is mean and also because I don’t want to get sued, but let’s not pretend Leave campaigners who fit the bill would be hard to find.

15. Has anyone ever managed to read a tweet by Hannan beginning with the words “a reminder” without getting an overwhelming urge to do unspeakable things to an inanimate object, just to get rid of their rage?

16. Even if the accusation made in that picture was untrue, which it isn’t, it wouldn’t count as libel. It’s not possible to libel 52 per cent of the electorate unless they form a distinct legal entity. Which they don’t.

17. Also, at risk of coming over a bit AC Grayling, “52 per cent of those who voted” is not the same as “most Britons”. I don’t think that means we can dismiss the referendum result, but those phrases mean two different things.

18. As ever, though, the most infuriating thing Hannan’s done here is a cheap rhetorical sleight of hand. The sign isn’t talking about the entire chunk of the electorate who voted for Brexit: it’s clearly talking specifically about the nation’s leaders. He’s conflated the two and assumed we won’t notice.

19. It’s as if you told someone they were shit at their job, and they responded, “How dare you attack my mother!”

20. Love the way Hannan is so outraged that anyone might conflate an entire half of the population with an “out of touch elite”, something that literally no Leave campaigners have ever, ever done.

21. Does he really not know that he’s done this? Or is he just pretending, so as to give him another excuse to imply that all opposition to his ideas is illegitimate?

22. Once again, I come back to my eternal question about Hannan: does he know he’s getting this stuff wrong, or is he genuinely this dim?

23. Will I ever be able to stop wasting my life analysing the intellectual sewage this infuriating man keeps pouring down the internet?

*Related: the collected Hannan Fodder is now about the same wordcount as Moby Dick.

Jonn Elledge edits the New Statesman's sister site CityMetric, and writes for the NS about subjects including politics, history and Daniel Hannan. You can find him on Twitter or Facebook.