ਵਿਕੀਪੀਡੀਆ, ਇਕ ਅਜ਼ਾਦ ਵਿਸ਼ਵਗਿਆਨਕੋਸ਼ ਤੋਂ
- King, Ronald R.; Smith, Vernon L.; Williams, Arlington W. and van Boening, Mark V. (1993). "The Robustness of Bubbles and Crashes in Experimental Stock Markets", in R. H. Day and P. Chen: Nonlinear Dynamics and Evolutionary Economics. New York: Oxford University Press. ISBN 0-19-507859-4.
- Lahart, Justin (2008-05-16). "Bernanke's Bubble Laboratory, Princeton Protégés of Fed Chief Study the Economics of Manias". The Wall Street Journal: p. A1. http://online.wsj.com/article/SB121089412378097011.html.
- Shiller, Robert (23 July 2012). "Bubbles without Markets". Project Syndicate. http://www.project-syndicate.org/commentary/bubbles-without-markets. Retrieved on 17 August 2012. "A speculative bubble is a social epidemic whose contagion is mediated by price movements. News of price increase enriches the early investors, creating word-of-mouth stories about their successes, which stir envy and interest. The excitement then lures more and more people into the market, which causes prices to increase further, attracting yet more people and fueling 'new era' stories, and so on, in successive feedback loops as the bubble grows."