The effort invested in 'getting it right' should be commensurate with the importance of the decision.

Individual investors predictably flock to stocks in companies that are in the news.

Clearly, the decision-making that we rely on in society is fallible. It's highly fallible, and we should know that.

Negotiations over a shrinking pie are especially difficult because they require an allocation of losses. People tend to be much more easygoing when they bargain over an expanding pie.

Many ideas happen to us. We have intuition, we have feeling, we have emotion, all of that happens, we don't decide to do it. We don't control it.

If you can't take the time for a vacation right now, or even a night out with friends, put something on the calendar - even if it's a month or a year down the road. Then whenever you need a boost of happiness, remind yourself about it.

Hindsight bias makes surprises vanish.