Black swan

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Revision as of 21:30, 4 September 2009 by Vladimir Nesov (talk | contribs) (Black swan can be of high probability. Undo revision 4054 by Z. M. Davis (Talk))
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A black swan is a high-impact event that is hard to predict (but not necessarily of low probability). Also, an event that is not accounted for in a model, and therefore causes the model to break down when it occurs.

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