Nassim Taleb wrote in the past, when it came to rare, highly unlikely events in financial history, of “black swans”. And so today Nouriel Roubini warns against the opposite, against “White Swans”. “Black Swans” stand for extremely rare and improbable events. So Nassim Taleb wrote about this phenomenon for the first time in his book “Fooled By Randomness” and even ...