Roy Zimmerman has a 2 and a half minute song that describes the behavior and mentality that led to the crash of 2008. This makes most of the articles you can find in economics journals redundant.
I only wish that the central part of his metaphor was actually true. I do not think that the wealthiest hucksters who perpetrated this ponzi game will ever "sink." For more about this see The Rich Don't Need Us Anymore.