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A Simple Note on Informational Cascades

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Author Info
Fiore, Annamaria
Morone, Andrea

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Abstract

Seminal models of herd behaviour and informational cascades point out existence of negative information externalities, and propose to ?destroy? information in order to achieve social improvements. Although in the last years many features of herd behaviour and informational cascades have been studied, this particular aspect has never been extensively analysed. In this article we try to fill this gap, investigating both theoretically and experimentally whether and to which extent destroying information can improve welfare. Our empirical results show that this decisional mechanism actually leads to a behaviour pattern more consistent with the theory that in turn produces the predicted efficiency gain. --

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Publisher Info
Article provided by Kiel Institute for the World Economy in its journal Economics: The Open-Access, Open-Assessment E-Journal.

Volume (Year): 2 (2008)
Issue (Month): 1 ()
Pages: 1-21
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Handle: RePEc:zbw:ifweej:6905

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Related research
Keywords: Informational cascades; information externality; individual decision making; experiment;

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Find related papers by JEL classification:
D62 - Microeconomics - - Welfare Economics - - - Externalities
C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

  1. Pastine, Ivan & Pastine, Tuvana, 2005. "Signal Accuracy and Informational Cascades," CEPR Discussion Papers 5219, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  2. Anderson, Lisa R & Holt, Charles A, 1997. "Information Cascades in the Laboratory," American Economic Review, American Economic Association, vol. 87(5), pages 847-62, December. [Downloadable!] (restricted)
  3. Annamaria Fiore & Andrea Morone, 2005. "Is playing alone in the darkness sufficient to prevent informational cascades?," Experimental 0503002, EconWPA. [Downloadable!]
    Other versions:
  4. Bikhchandani, Sushil & Hirshleifer, David & Welch, Ivo, 1992. "A Theory of Fads, Fashion, Custom, and Cultural Change in Informational Cascades," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 992-1026, October. [Downloadable!] (restricted)
  5. Andrea Morone, 2002. "Financial Market in the Laboratory," Computing in Economics and Finance 2002 151, Society for Computational Economics.
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  6. Becker, Gary S, 1991. "A Note on Restaurant Pricing and Other Examples of Social Influences on Price," Journal of Political Economy, University of Chicago Press, vol. 99(5), pages 1109-16, October. [Downloadable!] (restricted)
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  7. Louise Allsopp & John Hey, 2000. "Two Experiments to Test a Model of Herd Behaviour," Experimental Economics, Springer, vol. 3(2), pages 121-136, October. [Downloadable!] (restricted)
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  8. Andrea Morone & Eleni Samanidou, 2007. "A simple note on Herd Behaviour," series 0013, Dipartimento di Scienze Economiche - Università di Bari, revised Jan 2007. [Downloadable!]
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  9. Jeffrey M. Wooldridge, 2005. "Simple solutions to the initial conditions problem in dynamic, nonlinear panel data models with unobserved heterogeneity," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 20(1), pages 39-54. [Downloadable!]
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  10. Selten, Reinhard & Joachim Buchta, 1994. "Experimental Sealed Bid First Price Auctions with Directly Observed Bid Functions," Discussion Paper Serie B 270, University of Bonn, Germany.
  11. Banerjee, Abhijit & Fudenberg, Drew, 2004. "Word-of-mouth learning," Games and Economic Behavior, Elsevier, vol. 46(1), pages 1-22, January. [Downloadable!] (restricted)
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  12. John D. Hey & Andrea Morone, 2004. "Do Markets Drive Out Lemmings-or Vice Versa?," Economica, London School of Economics and Political Science, vol. 71(284), pages 637-659, November. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Andrea Morone & Eleni Samanidou, 2008. "A simple note on herd behaviour," Journal of Evolutionary Economics, Springer, vol. 18(5), pages 639-646, October. [Downloadable!] (restricted)
    Other versions:
  2. Giovanni Ferri & Andrea Morone, 2008. "The Effect of Rating Agencies on Herd Behaviour," series 0022, Dipartimento di Scienze Economiche - Università di Bari, revised Nov 2008. [Downloadable!]
    Other versions:
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