So argues Robert Peston, BBC Business Editor who concludes
What we do know is that dependence on free money forever would eventually undermine confidence in our ability and willingness to honour our debts, in the credibility of our respective currencies.
Or to put it another way, the expansion of bank balance sheets, the pace of money creation, could not continue at breakneck speed sine die.
And if it isn’t to slowdown now, with some momentum at last behind economic growth, when exactly would it end?
Article/blog in full here