Irrational exuberance Pink also used the phrase in 2009 in his book "" in the chapter discussing how extrinsic motivation can encourage short-term thinking at the cost of long-term health: "This is the nature of economic bubbles: What seems to be irrational exuberance is ultimately a bad case of extrinsically motivated myopia". Irrational exuberance "Irrational exuberance" is a phrase used by the then-Federal Reserve Board chairman, Alan Greenspan, in a speech given at the American Enterprise Institute during the dot-com bubble of the 1990s. The phrase was interpreted as a warning that the market might be overvalued. Greenspan's comment was made during
The Fifth Horseman Is Fear a shock, in the last ten minutes, to discover how deeply involved you have become. [It is] unmistakably the work of a master, and I can only wonder whether Brynych has made other films or if his ability is natural, as Fellini seems to be. I mention Fellini because this film seems to have what Fellini and very few other directors are able to achieve: A sense of rhythm." More recently, the "Independent Film Quarterly" wrote, ""The Fifth Horseman Is Fear" stands for a brief moment in the early 60's, the socialist government of Czechoslovakia experienced a cultural thaw known