The events have led to self-examination among financial enterprises and authorities who were too late to see the problems and take action. How could the situation get so much out of hand, and how can we prevent this from happening again? Much has already been written about the background to the crisis.
And I am sure that the course of events will be the subject of many learned papers in the coming years, relying on the advantages of hindsight. Basically, financial business is all about forming a link between people who at a given time need to spend more than they own and earn and others who are in the opposite situation.