Feb 25th 2014

The Banks that Ate the Economy

LONDON – Bank of England Governor Mark Carney surprised his audience at a conference late last year by speculating that banking assets in London could grow to more than nine times Britain’s GDP by 2050. His forecast represented a simple extrapolation of two trends: continued financial deepening worldwide (that is, faster growth of financial assets than of the real economy), and London’s maintenance of its share of the global financial business.

These may be reasonable assumptions, but the estimate was deeply unsettling to many. Hosting a huge financial center, with outsize domestic banks, can be costly to taxpayers. In Iceland and Ireland, banks outgrew their governments’ ability to support them when needed. The result was disastrous.

Quite apart from the potential bailout costs, some argue that financial hypertrophy harms the real economy by syphoning off talent and resources that could better be deployed elsewhere. But Carney argues that, on the contrary, the rest of the British economy benefits from having a global financial center in its midst. “Being at the heart of the global financial system,” he said, “broadens the investment opportunities for the institutions that look after British savings, and reinforces the ability of UK manufacturing and creative industries to compete globally.”

That is certainly the assumption on which the London market has been built and the line that successive governments have peddled. But it is coming under fire.

Andy Haldane, one of the lieutenants Carney inherited at the BoE, has questioned the financial sector’s economic contribution, pointing to “its ability to both invigorate and incapacitate large parts of the non-financial economy.” He argues (in a speech revealingly entitled “The Contribution of the Financial Sector: Miracle or Mirage?”) that the financial sector’s reported contribution to GDP has been significantly overrated.

Two recent papers raise further doubts. In “The Growth of Modern Finance,” Robin Greenwood and David Scharfstein of Harvard Business School show that the share of finance in US GDP almost doubled between 1980 and 2006, just before the onset of the financial crisis, from 4.9% to 8.3%. The two main factors driving that increase were the expansion of credit and the rapid rise in resources devoted to asset management (associated, not coincidentally, with the exponential growth in financial-sector incomes).

Greenwood and Scharfstein argue that increased financialization was a mixed blessing. There may have been more savings opportunities for households and more diverse funding sources for firms, but the added value of asset-management activity was illusory. Much of it involved costly churning of portfolios, while increased leverage implied fragility for the financial system as a whole and imposed severe social costs as over-exposed households subsequently went bankrupt.

Stephen G. Cecchetti and Enisse Kharroubi of the Bank for International Settlements – the central banks’ central bank – go further. They argue that rapid financial-sector growth reduces productivity growth in other sectors. Using a sample of 20 developed countries, they find a negative correlation between the financial sector’s share of GDP and the health of the real economy.

The reasons for this relationship are not easy to establish definitively, and the authors’ conclusions are controversial. But it is clear that financial firms compete with others for resources, and especially for skilled labor. Physicists or engineers with doctorates can choose to develop complex mathematical models of market movements for investment banks or hedge funds, where they are known colloquially as “rocket scientists.” Or they could use their talents to design, say, real rockets.

Cecchetti and Kharroubi find evidence that it is indeed research-intensive firms that suffer most when finance is booming. These companies find it harder to recruit skilled graduates when financial firms can pay higher salaries. And we are not just talking about the so-called “quants.” In the years before the 2008 financial crisis, more than a third of Harvard MBAs, and a similar proportion of graduates of the London School of Economics, went to work for financial firms. (Some might cynically say that keeping MBAs and economists out of real businesses is a blessing, but I doubt that that is really true.)

The authors find another intriguing effect, too. Periods of rapid growth in lending are often associated with construction booms, partly because real-estate assets are relatively easy to post as collateral for loans. But the rate of productivity growth in construction is low, and the value of many credit-fueled projects subsequently turns out to be low or negative.

So, should Britons look forward with enthusiasm to the future sketched by Carney? Aspiring derivatives traders certainly will be more confident of their career prospects. And other parts of the economy that provide services to the financial sector – Porsche dealers and strip clubs, for example – will be similarly encouraged.

But if finance continues to take a disproportionate number of the best and the brightest, there could be little British manufacturing left by 2050, and even fewer hi-tech firms than today. Anyone concerned about economic imbalances, and about excessive reliance on a volatile financial sector, will certainly hope that this aspect of the BoE’s “forward guidance” proves as unreliable as its forecasts of unemployment have been.



Copyright: Project Syndicate, 2014.
www.project-syndicate.org



Related article:

Taming Europe’s Banks

by Michel RocardAdded 25.02.2014
PARIS – Last month, the European Commission unveiled its much-anticipated blueprint for banking reform, aimed at reining in risk-taking by the European Union’s largest banks. But the proposal has met significant resistance, with some warning...

 


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