http://news.ca.msn.com/top-stories/how-us-spending-cuts-can-hurt-canada
An economic collapse can happen whenever a combination of certain factors occurs.
http://www.moneynews.com/Archives/Obama-Chart-end-presidency/2012/09/20/id/456981?PROMO_CODE=103FC-1
http://en.wikipedia.org/wiki/Economic_collapse#Cases_of_economic_collapse
Although there are suppose to be security measures, banks might be bailed by taking money from the peoples pension funds.
http://theeconomiccollapseblog.com/archives/20-signs-that-the-next-great-economic-depression-has-already-started-in-europe,
http://www.huffingtonpost.com/jerry-nelson/largest-financial-collapse-in-history_b_3180138.html