One doesn't like instabilities in markets; they may be damaging, but probably not fatal, as the October '87 crash showed. It turned out to be essentially inconsequential. So if that's true, I'm not very worried about the welfare of those who are investing any more than I am about the welfare of those who go into casinos.
Kenneth ArrowI think one of the things we learned from the physicists and also the theoretical biologists is the idea that when you're dealing with very complex systems you're going to get a large variety of behavior which can be interpreted as hill climbing, but hill climbing with a lot of modifications, hill climbing with big jumps occasionally.
Kenneth ArrowMy research, even before 1972, moved in directions beyond those cited for the Nobel Memorial Prize. Most of it, in one way or another, deals with information as an economic variable, both as to its production and as to its use.
Kenneth ArrowI am not really inclined to think there is any very effective regulation of the derivative securities markets that would be useful. People who go into it essentially ought to know what risks they're taking and I don't see any useful regulation.
Kenneth ArrowThe rate of growth of the relevant population is much greater than the rate of growth in funds, though funds have gone up very nicely. But we have been producing students at a rapid rate; they're competing for funds and therefore they're more frustrated. I think there's a certain sense of weariness in the intellectual realm, it's not in any way peculiar to economics, it's a general proposition.
Kenneth Arrow