Economists think about what people ought to do. Psychologists watch what they actually do.

People are really happier with friends than they are with their families or their spouse or their child.

People talk of the new economy and of reinventing themselves in the workplace, and in that sense most of us are less secure.

If individuals are rational, there is no need to protect them against their own choices.

Most things that couples disagree upon aren't worth more than a day's combat.

We are far too willing to reject the belief that much of what we see in life is random.

Policy makers, like most people, normally feel that they already know all the psychology and all the sociology they are likely to need for their decisions. I don't think they are right, but that's the way it is.