We had a bubble in housing. Author: Alan Greenspan Copy Quote More from Alan Greenspan “I know that you believe you understand what you think I said, but I'm not sure …” “Capitalism is based on self-interest and self-esteem; it holds integrity and tr…” “ I know you think you understand what you thought I said but I'm not sure you r…” “People do not realize in [the U.S], for example, how tenuous our ties to intern…”