Dislocations: Financial and Fundamental
The crash of 2007 was more than a bank panic. Thirty years of excessive borrowing had reached a point where something was certain to topple it. Alan Greenspan deplored "irrational exuberance" in 1996, but only in 2007 did everybody try to get out the door at the same time. The crash announced the switch to deleveraging, it did not cause it.