Matt Levine in “Money Stuff” yesterday: One thing to say here is that the people who are Econ-101-rational tend to be the ones who make the most money. Every ti

Matt Levine in “Money Stuff” yesterday: One thing to say here is that the people who are Econ-101-rational tend to be the ones who make the most money. Every time you read about a workaholic billionaire and think “boy, not me, if I had a billion dollars I’d be on the beach,” the answer is always “well that’s why you don’t have a billion dollars.” If you have the characteristics that enable you to make a billion dollars, you don’t usually turn them off once you get there.