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 GreenspanPeople dont realize that we cannot forecast the future. What we can do is have probabilities of what causes what, but thats as far as we go. And Ive had a very successful career as a forecaster, starting in 1948 forward. The number of mistakes I have made are just awesome. There is no number large enough to account for that.
Alan GreenspanIf prices go down, we will have problems - problems in the sense of spillover to other areas.
Alan GreenspanA decline in the national housing price level would need to be substantial to trigger a significant rise in foreclosures, because the vast majority of homeowners have built up substantial equity in their homes despite large mortgage-market financed withdrawals of home equity in recent years.
Alan Greenspan