Forget about the Greek drama - the tragedy will take place in America

Niall Ferguson writes: "... What we in the western world are about to learn is that there is no such thing as a Keynesian free lunch. Deficits did not “save” us half so much as monetary policy – zero interest rates plus quantitative easing – did. First, the impact of government spending (the hallowed “multiplier”) has been much less than the proponents of stimulus hoped. Second, there is a good deal of “leakage” from open economies in a globalised world. Last, crucially, explosions of public debt incur bills that fall due much sooner than we expect
For the world’s biggest economy, the US, the day of reckoning still seems reassuringly remote. The worse things get in the eurozone, the more the US dollar rallies as nervous investors park their cash in the “safe haven” of American government debt. This effect may persist for some months, just as the dollar and Treasuries rallied in the depths of the banking panic in late 2008.
Yet even a casual look at the fiscal position of the federal government (not to mention the states) makes a nonsense of the phrase “safe haven”. US government debt is a safe haven the way Pearl Harbor was a safe haven in 1941.
Even according to the White House’s new budget projections, the gross federal debt will exceed 100 per cent of GDP in just two years’ time. This year, like last year, the federal deficit will be around 10 per cent of GDP. The long-run projections of the Congressional Budget Office suggest that the US will never again run a balanced budget. That’s right, never.
 The International Monetary Fund recently published estimates of the fiscal adjustments developed economies would need to make to restore fiscal stability over the decade ahead. Worst were Japan and the UK (a fiscal tightening of 13 per cent of GDP). Then came Ireland, Spain and Greece (9 per cent). And in sixth place? Step forward America, which would need to tighten fiscal policy by 8.8 per cent of GDP to satisfy the IMF...
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Comment: Indeed, the real tragedy will unfold when the US gets into trouble simply because lenders refrains from loading ever more funds upon a sinking ship. Greece is financial peanuts for the world, and its debt problem can be easily handled by the European Union or one of EU's large members, such as Germany or France and Germany together. What will make the earth shake will be when the US comes under heavy pressure and will beg to borrow - albeit in vein.