People exaggerate their own skills. they are optimistic about their prospects and overconfident about their guesses, including which managers to pick.

There are cases when I can make myself better off by restricting my future choices and commit myself to a specific course of action.

The reason is they failed to learned the primary lesson we should have learned from when Long Term Capital Management went belly up ten years ago. That is, investments that seem uncorrelated can be correlated simply because we're interested in it.

Most people start claiming benefits within a year of when they become eligible, although benefits increase substantially if they wait.

Most economists, including me, agree that longevity insurance would make sense for a lot of people.

Is there a market for somebody selling a credit card that helps people pay down their balances? I think the question is yes. But it would have to be sold by a bank that's really willing to invest in being a trusted partner with its consumers, because they will make less money on each consumer.

When should we nudge and when should we shove, I think, it's a political judgment. Obviously in some situations we need shoves, we need laws. Fraud is against the law, murder is against the law, drunk-driving is against the law. We don't need just nudges.