My mantra is if you want to help people accomplish some goal, make it easy.

If people just put away what's left at the end of the month, that's a recipe for failure.

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

One simple step firms can take is make sure that people that are getting paid a lot of money, say more than a million or two, that a big chunk of that money is deferred. That's going to change the whole ballgame.

A good rule of thumb is to assume that everything matters.

I think we also have learned the lesson that we have to have better incentive structures.

When an economist says the evidence is "mixed," he or she means that theory says one thing and data says the opposite.