Boom Bubbles & Busts are normal part of The Markets

"What we need to understand is, one, that there are market failures; and two, that there are things like asset bubbles and irrational exuberance. There are periods of booms, bubbles, and manias. These things, if left to themselves, can lead to crashes, to busts, to panics..."

at http://www.roubiniblog.com/2014/07/boom-bubbles-busts-are-normal-part-of.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+NourielRoubiniBlog+%28Nouriel+Roubini+Blog%29