Mervyn King, the Bank of England's Governor, seems strangely alone in facing the implications of this for central banks, and in seeing the absurdity of a recovery strategy where everybody tightens at once and surplus states keep on dumping excess capacity abroad. "I was struck by the mood at the G7, where several of the major economies around the world said quite openly that they were relying on external demand growth to generate growth. That can't be true of everybody," he said.