For amateur golfers, I think one of the biggest mistakes is to model their play on professionals.

If you're trading individual securities, you're almost certainly making a mistake. Because most professional managers can't outperform their benchmarks, and there's little reason to think that individuals can.

Countries all around the world, starting with the U.K., have started behavioural insight teams, often referred to as nudge units. And they seem to be doing lots of good.

There can be legal conflicts over whether registering intent is enough to qualify you as an organ donor or whether a doctor must still ask your family's permission.

The job of a comedian is to make people laugh, but a lot of my interests are in politics so I’m going to use that."

If you are working 50 hours a week in a factory, you don't have time to read 10 newspapers a day and go back to declassified government archives. But such people may have far-reaching insights into the way the world works.

While the problems facing the country are huge, it is in times of great disruption that we can make the most important changes to our society and help to rebuild our fractured, broken politics.

But our energy woes are in many ways the result of classic market failures that can only be addressed through collective action, and government is the vehicle for collective action in a democracy.