The degree of leverage now being reversed is on a staggering scale, and the underlying global imbalances – notably between the savers and the spenders – will require long and painful adjustment.

Investment banking has, in recent years, resembled a casino, and the massive scale of gambling losses has dragged down traditional activities as banks try to rebuild their balance sheets.

Many of our problems are home-grown. Gordon Brown regularly advised the rest of the world to follow his British model of growth. But the model was flawed. It led to the highest level of household debt in relation to income in the world.

Housing associations have fingered the fact that they cannot use their assets as liquidity due to Bank of England rules unlike their continental equivalents. This has emerged to be one of the main bottlenecks to getting investment going in the U.K. It is a Bank of England issue.

No, and in fact I get a bit frustrated, because I'm actually quite good at one-liners, and I've had hundreds of them over the years, and they sink without trace, and I get very frustrated. Every party conference I really work on the speeches, and I always have two or three things I'm quite proud of, and no one ever remembers them.

Well, as I said, you know the issue of Greek debt, they've grasped the principle of debt reduction. I think most people would argue that probably more needs to be done on that front, and they've just begun to take the first steps to accepting that there's going to have to be much closer economic integration in Europe.

So I went into government with a clear mind about what the problems were, and what needed to be done.