What’s a bubble?
July 26th, 2005 by 
InLibrisLibertas
Definition of a market bubble from Robert Shiller: “A market situation in which news of price increases spurs investor enthusiasm which spreads by psychological contagion from person to person, bringing in a larger and larger class of investors, who, despite doubts about fundamental value, are drawn to the investment partly through envy of others’ successes and partly through a gambler’s excitement.”
Posted in Manias, Robert Shiller | 