One key to successful group decisions is getting people to pay much less attention to what everyone else is saying.

In a world where companies increasingly know about their business in real time, it makes no sense that public reporting mostly follows the old quarterly schedule. Companies sit on vital information until reporting day, at which point the market goes crazy.

I think people don't understand compound interest because typically no one ever explains it to them and the level of financial literacy in the US is very low.

The Internet has become a remarkable fount of economic and social innovation largely because it's been an archetypal level playing field, on which even sites with little or no money behind them - blogs, say, or Wikipedia - can become influential.

The value of a currency is, ultimately, what someone will give you for it - whether in food, fuel, assets, or labor. And that's always and everywhere a subjective decision.

In the struggle between capital and labor, more often than not capital has won, because the real source of value for most companies has historically been the hard assets that they owned and controlled.

Pop music thrives on repetition. You know a song's a hit when you've heard it so often that you'll be happy never to hear it again.