The black swan theory is a metaphor that describes an event that comes as a surprise, has a major effect, and is often inappropriately rationalized after the fact with the benefit of hindsight. The theory was developed by Nassim Nicholas Taleb.

A One Trillion Dollar Coin. Is such a thing even possible? Yes it is!
USA is in danger of a government default if the Congress won’t raise the debt ceiling till mid of October. The $1 trillion coin solution […]