With all due respect, Duncan, isn't there a bit of a taste of Sad Donkeyism here? Think about it: if the confidence fairy is so sensitive that the £6bn in-year cuts and a lot of rhetoric was enough to chase her off, perhaps it wouldn't be so hard to reverse the effect. Either way it would surely be worth having a go.
We've noted before that the coalition is terribly prone to people with an eye-catching initiative, especially if it can be represented as American, and that this leads them to deal with some seriously odd people, like the creepy Straussian neo-con Larry Mead, who thinks that the real problem with fascism is that it forced us to "solve every problem with freedom".
So, we all remember when George Osborne had the OBR secretly leave out 550,000 public sector workers from its calculations, change its forecast methodology, and all in all reduce its estimates of job losses by 175,000.