History lesson for economists in thrall to Keynes

Very good points by Niall Ferguson regarding why interest rates will be going up.
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From the FT London May 29, 2009 By Niall Ferguson May 29, 2009

On Wednesday last week, yields on 10-year US Treasuries – generally seen as the benchmark for long-term interest rates – rose above 3.73 per cent. Once upon a time that would have been considered rather low. But the financial crisis has changed all that: at the end of last year, the yield on the 10-year fell to 2.06 per cent. In other words, long-term rates have risen by 167 basis points in the space of five months. In relative terms, that represents an 81 per cent jump.

Most commentators were unnerved by this development, coinciding as it did with warnings about the fiscal health of the US. For me, however, it was good news. For it settled a rather public argument between me and the Princeton economist Paul Krugman.

....Of course, Mr Krugman knew what I meant. “The only thing that might drive up interest rates,” he acknowledged during our debate, “is that people may grow dubious about the financial solvency of governments.” Might? May? The fact is that people – not least the Chinese government – are already distinctly dubious.

....The policy mistake has already been made – to adopt the fiscal policy of a world war to fight a recession. In the absence of credible commitments to end the chronic US structural deficit, there will be further upward pressure on interest rates, despite the glut of global savings