At the BBC we've had plenty of women in good management jobs. It comes and goes but there's been plenty. On air, I think there's quite a bit more we can do.

For me, the main principle for broadcasters has to be that if people stand to benefit from an interview, they should be prepared to face some downside as well.

For years, we've grown dependant on American consumers as the world's spenders of last resort. They've kept Europe out of recession, allowed China to industrialise, and prevented global deflation. But at the same time, they've not been looking after their own futures.

But sometimes it's good to dare yourself to do the unthinkable. And rather than stand in front of an audience with no clothes on, I decided to have a go at stand-up comedy.

Britain, however, has ended up specializing in the ones you don't see as much of: defense aerospace, making drive shafts for cars, pills and drugs, designing chips that go into 94 percent of the world's mobile phones.

Interestingly, human irrationality is a hot topic in economics at the moment. Behavioural economics it's called, on the cusp of economics and psychology.

Most people hugely underestimate the amount of 'empty space' we have in our country. Fly over the U.K., and you see that human settlement does not fill up the U.K. at all. It accounts for something of the order of 15 per cent of the landmass.