by Michael Roberts
Just this week, the chief economist of the Bank of England, Andy
Haldane, delivered a speech on the causes of the UK’s productivity
problem. Entitled, “The UK’s Productivity Problem: Hub No Spokes” ,Haldane
returned to a familiar theme that has puzzled mainstream economics
since the end of the Great Recession. Why has productivity growth in
nearly all the major capitalist economies slowed to a trickle despite
the new emerging technologies and the supposed economic recovery?
In the case of the UK, this slowdown has been very severe. As
Haldane put it, UK productivity has flat-lined for a decade.
Productivity is running almost 20% below its pre-crisis trend. “It is a gap it is unclear will ever be closed.” In the UK, productivity levels are as much as one-third below those in the US, Germany and France. As Haldane joked “It
is the source of the oft-quoted quip that the average French worker
achieves by Thursday lunchtime what the average British worker achieves
only by close of business on a Friday.”
Also, the productivity gap between the top- and bottom-performing
companies is materially larger in the UK than in France, Germany or the
US. In the services sector, the gap between the top- and
bottom-performing 10% of companies is 80% larger in the UK than in
international competitors. This productivity gap has also widened by far
more since the crisis – around 2-3 times more – in the UK than
elsewhere. This long and lengthening tail of ‘stationary’ companies
explains why the UK has a one-third productivity gap with international
competitors and a one-fifth productivity gap relative to the past.
Haldane remarked that “the UK is in many respects a tale (tail)
of two companies: a small set in the upper tail gazelling along the
productivity high road and a much larger set in the lower tail snailing
along the low road.” As Haldane recognises “Capitalism always of course throws up winners and losers, hares and tortoises, gazelles and snails, upper and lower tails”. But it appears that in
the UK, however, these differences are far-larger, and have increased
by more, than elsewhere. Over the ten years to 2014, top 1% of UK
companies experienced annual productivity growth of 8% and the top 0.1%
companies (the huge multi-nationals) achieved growth of 12%. The rest
stagnated. The bottom 25% of UK companies have levels of productivity
around 80% or more below the UK median. Their Germany and French
counterparts have productivity around 60% or more below the median,
large but not as large a differential as in the UK.
It’s not a problem of so-called zombie companies,
says Haldane. Most ‘tail’ companies are not zombies, overburdened by
an insurmountable mountain of debt or a broken business model. Rather
they are companies surviving, but not yet thriving. And they account for
fully 80-90% of all jobs. “They are not the tail; they are the dog.”
If you restricted ‘creative destruction’ to true zombies – those whose
productivity was negative – this would make little arithmetic difference
to average productivity, raising it by perhaps 1%.
In sum, according to Haldane, the UK’s long tail problem is largely a diffusion rather than innovation problem.
And this problem seems to have its roots in transfer barriers –
barriers to transferring technology, know-how, people and financing –
from the UK’s thriving hubs to its striving spokes. “Stronger, longer spokes are needed to reach the long tail.”
The problem with Haldane’s analysis is this ‘long tail’ pre-dates the crisis and as he says himself “thus cannot by itself explain all of the UK’s poor productivity performance since the crisis.” In the UK, this technological trickle-down, from frontier to tail, appears to have dried up. “A lengthening flotilla of boats has remained in dry dock.”
By 2015 there were still only 13% of companies who had adopted all
five of these basic technologies. And there was still a tail of 9-10% of
companies who had adopted only 2 or fewer of them. Indeed, the top UK
companies may have improved their productivity more than the small
companies but at a slower pace since the end of the Great Recession and
so overall productivity growth has slowed and fallen even further behind
other capitalist economies.
So why productivity growth collapsed since the recession?
Haldane cannot answer this. But I think there are explanations that
apply to all major capitalist economies, not just the UK. Productivity
growth in all the major capitalist economies has slowed because of the
failure of capitalists in most economies to step up investment in new
There was one phase during the 34 years of the internet and ICT
revolution when US economic efficiency sharply increased. In the period
leading to 2003, US annual productivity growth reached its highest level
in half a century – 3.6%. This was explained by a huge surge in
ICT-focused fixed investment. US investment rose from 19.8% of GDP in
1991 to 23.1% of GDP in 2000, fell slightly after the ‘dot com’ bubble’s
collapse and then reached 22.9% in 2005. The majority of this
investment was in ICT. After this, US investment fell, leading to the
sharp productivity slowdown.
The correlation between the growth in investment and the increase in
labour productivity three years later was 0.86, and after four years
0.89 – extraordinarily high. When capital investment fell, this was
followed by a decline in labour productivity. In other words,
productivity growth depends on capital investment being large enough.
Why is productivity growth so poor in Britain, especially among the
key big British multi-nationals? The answer is clear: reduced business
investment. The latest business investment figure for Q1 2018 showed an
absolute fall in investment. Business investment growth has been on a
steady trend down since the end of the Great Recession.Indeed, total UK
investment to GDP has been lower than most comparable capitalist
economies and has been declining for the last 30 years.
In the case of the UK, there is another particular problem: the UK is
increasingly a rentier economy, relying on finance, business services
and real estate. These are unproductive activities that do not boost
the productivity of labour, but do reduce available profits for
productive investment. Indeed, the relative fall-back in UK
productivity compared to Germany and France etc can be particularly
discerned from the early 2000s, when the oil revenues dissipated and
investment increasingly went into a credit fuelled real estate boom.
A detailed sectoral analysis by the Economic Statistics Centre of Excellence has
shown that three-fifths of the drop in productivity growth stems from
sectors representing only a fifth of output, including finance,
utilities, pharmaceuticals, computing and professional services. The Bank of England did a similar analysis found that it is the top ones that have become the slackers. The most productive groups are “failing to improve on each other at the same rate as their predecessors did”,
according to its research. The best companies still improved their
productivity faster than the rest, but productivity growth among the
best has sharply fallen and this has hurt the UK’s growth rate.
Investment in a capitalist economy depends on its profitability as I have argued ad nauseam in this blog. And there is still relatively low profitability and a continued overhang of debt,
particularly corporate debt, in the major economies. In the case of
the UK, the profitability of the non-financial sector is still some 12%
below its level in 1997. And in the oil sector, it has fallen 50%.
Under capitalism, until profitability is restored sufficiently and
debt reduced (and both work together), the productivity benefits of the
new ‘disruptive technologies’ (as the jargon goes) of robots, AI, ‘big
data’ 3D printing etc will not deliver a sustained revival in
productivity growth and thus real GDP.
And there is another factor, again particularly discernible in the
UK: the lack of funding for smaller companies to invest in new
technology. As Haldane explains, new, ‘upper tail’ UK companies can
attract venture capital finance. The UK has a large and liquid corporate
bond market, totalling around £500 billion for investment grade
securities, which allows larger and better-established companies to
raise money at long maturities in capital markets. But for the rest, it
is much more difficult. Lending to the corporate sector by UK banks, at
6% of their assets, is around one third of the equivalent by German
banks. In relation to GDP, bank financing of companies is around half
that in Germany. The UK’s national development bank (the British
Business Bank) has assets that are a small fraction of its German
counterpart (KfW). The big five banks in the UK do not help smaller businesses to invest but prefer to speculate in financial assets.
That makes the idea presented in a recent report by the UK’s Labour Party suggesting
the Bank of England set a target for 3% productivity growth in its
policy actions ridiculously utopian. The BoE has no real control over
the lending policy of the commercial banks and no control at all over the investment actions of the major UK companies.
Without such control, the 3% productivity growth target is just a
dream. To achieve it would require public ownership of the major
financial institutions and the top 1% of UK companies (as Haldane has
referred to them).
Compare the inability of the BoE to manipulate the UK capitalist
economy with the power that China’s monetary authorities have. Last
weekend, the People’s Bank of China cut the reserve requirement ratio,
the amount of cash that banks must hold in reserve at the central bank,
freeing up Rmb700bn ($106bn) for new lending and investment. Over the
last 18 months, China’s central bank has been reining excessive lending
by local authorities and ‘shadow banking’. This has been achieved “even as growth remained surprisingly resilient” (FT).
Now the authorities are gradually preparing to reverse that policy as
the trade war with the US rears its head and with a possible hit to
China’s growth. China’s authorities have the power to launch a massive
investment program, as they did in the Great Recession, to sustain
growth and productivity (which is motoring) because the state controls
the banks and commanding heights of the economy. That power does not
exist for governments in the major capitalist economies. In those
economies, profitability rules and productivity stagnates.
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