The American economy, that great engine of global capital, has once again confounded the pessimists. Latest figures show GDP growth accelerating at a pace that would make a central banker blush, while unemployment remains stubbornly low. The British Treasury, ever watchful from its perch in Whitehall, is monitoring this display of fiscal resilience with a mixture of admiration and concern. For here in London, we know that the ripple effects of such strength are not merely academic: they dictate the flow of gilt yields and the pound's standing against the dollar.
Consider the mechanics. A booming US economy draws in capital from across the globe, starved as it is for yield in a world of anaemic returns. This capital flight is a headache for the Bank of England, which must now decide whether to raise rates further to stem the outflow or accept a weaker currency. Neither option is palatable. Higher rates would choke off the fragile recovery in UK housing and business investment. A weaker pound, meanwhile, imports inflation directly into the wallets of British households.
And what of inflation? The Federal Reserve's hawkish stance may be justified by the data, but it sets a dangerous precedent. If the Fed continues to raise rates, it could trigger a correction in overvalued equity markets. The City remembers 2008, when a US recession precipitated a global contagion. Yet the alternative, to let inflation run hot, is equally unpalatable. The British Treasury, led by a Chancellor who preaches fiscal responsibility, finds itself caught between the rock of market discipline and the hard place of domestic economic misery.
Of course, one must question the durability of this American resilience. Much of the growth is fuelled by consumer spending, itself buoyed by excess savings and a tight labour market. But the savings are dwindling, and the labour market shows signs of softening. The US fiscal deficit remains a structural stain on the balance sheet, one that higher interest rates only exacerbate. When the bill comes due, it will be the global taxpayer who foots it.
For now, the markets react with a mix of euphoria and anxiety. The S&P 500 dances to the tune of quarterly earnings, while the bond market flirts with inversion. The British Treasury, prudent as ever, is likely to issue more debt to fund its own spending, pushing up yields and crowding out private investment. It is a vicious circle, one that Keynes would recognise as the paradox of thrift writ large.
In conclusion, the US economy's defiance is a testament to its fundamental robustness, but it also sows the seeds of future instability. The British Treasury, constrained by its own fiscal rules and a fractured political landscape, can only watch and wait. The bottom line: capital flows where it is treated best, and right now, London is not the place to be. Expect further volatility in sterling and gilts as the market re-prices risk.
Alastair Thorne
Chief Financial Editor
