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

Why tie to gold? Why not 1982 Bordeaux?

I'm all for empowerment and education, but the empirical evidence is that it doesn't work. That's why I say make it easy.

he card companies will often, as a courtesy, honor that credit card, but hit you with a penalty. And you keep swiping your card for $3 at Starbucks for your latté, and you're getting hit with a $25 penalty because it's over your credit limit.

Investors must keep in mind that there's a difference between a good company and a good stock. After all, you can buy a good car but pay too much for it.

Credit cards have been extremely profitable to banks. They're profitable not from the fees they collect from the retailers that use the credit cards, that pays the bills, but the real profits come from the interest payments and the charges to users that are unexpected.

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