It seems superfluous to constrain trading in some of the newer derivatives and other innovative financial contracts of the past decade. The worst have failed; investors no longer fund them and are not likely to in the future.
Alan GreenspanBefore I met Ayn Rand, I was a logical positivist, and accordingly, I didn't believe in absolutes, moral or otherwise. If I couldn't prove a proposition with facts and figures, it was without merit.
Alan GreenspanWithout calling the overall national issue a bubble, it's pretty clear that it's an unsustainable underlying pattern.
Alan Greenspan