There is much more to life than what gets measured in accounts. Even economists know that.

Accepting trial and error means accepting error. It means taking problems in our stride when a decision doesn't work out, whether through luck or misjudgment. And that is not something human brains seem to be able to do without a struggle.

A lot of international companies invest in the U.K. as a base for doing business with the rest of the European Union.

We now have political chaos. We've got parties in Ireland saying they want to merge with Northern Ireland. You've got parties in Scotland saying you want to leave the U.K. You've got the Spanish government saying it would like to take ownership of Gibraltar, which is a British overseas territory... So just the politics of this is a mess.

Each additional child that you have is going to divide your time and your attention. You're going to have to cram them into a smaller house. They're going to have to share rooms, or you might have to move into the suburbs, somewhere cheaper, further away from where the job is.

Trying to be able to have, let's say, more than three partners was absolutely impossible, at least for my own relationships.

Economists have allowed themselves to walk into a trap where we say we can forecast, but no serious economist thinks we can. You don't expect dentists to be able to forecast how many teeth you'll have when you're 80. You expect them to give good advice and fix problems.