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.

It's possible to make things that aren't just money-makers. Something wonderful for its own sake.

The Global Financial Crisis and Great Recession posed daunting new challenges for central banks around the world and spurred innovations in the design, implementation, and communication of monetary policy.

In Puerto Rico, I played in all kinds of bands that played salsa and merengue. That's how I saved the money to come to the U.S. We used to play El Gran Combo tunes. Half the band was my friends - we were around 15 - and the other half was my friend's father and his friends from the hospital where he worked. They were all, like, 50.

If we are going to be able to create a new economic vision, companies will need to rethink every aspect of their operations; their bottom lines, ownership structures, demands on financial returns, how they raise capital. For example, an ethical company would say it should only take a fair share of the planet's resources and campaign on this.