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The Effect of Rating Agencies on Herd Behaviour

  • Giovanni Ferri
  • Andrea Morone

This paper purports to provide some evidence on the effect of rating agencies on herding in financial markets. By means of a laboratory experiment, we investigate the effect and interaction between private and public information. Previous experiments showed that lemmings behaviour can survive in a market context where information is private (Hey and Morone, 2004), and that an experimental market can be very volatile and not efficient in transmitting information (Alfarano et al., 2006). We study experimentally, if socially undesirable behaviour – that survives in a market contest – may be eliminated owing to the presence of rating agencies.

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File URL: http://www.eeri.eu/documents/wp/EERI_RP_2008_21.pdf
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Paper provided by Economics and Econometrics Research Institute (EERI), Brussels in its series EERI Research Paper Series with number EERI_RP_2008_21.

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Length: 24 pages
Date of creation: 21 Oct 2008
Date of revision:
Handle: RePEc:eei:rpaper:eeri_rp_2008_21
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  1. Vernon L. Smith, 1962. "An Experimental Study of Competitive Market Behavior," Journal of Political Economy, University of Chicago Press, vol. 70, pages 111.
  2. Marco Pagano & Paolo Volpin, 2010. "Credit ratings failures and policy options," Economic Policy, CEPR;CES;MSH, vol. 25, pages 401-431, 04.
  3. Sushil Bikhchandani & Sunil Sharma, 2001. "Herd Behavior in Financial Markets," IMF Staff Papers, Palgrave Macmillan, vol. 47(3), pages 1.
  4. John Hey & Louise Allsopp, . "Two Experiments to Test a Model of Herd Behaviour," Discussion Papers 99/24, Department of Economics, University of York.
  5. Holthausen, Robert W. & Leftwich, Richard W., 1986. "The effect of bond rating changes on common stock prices," Journal of Financial Economics, Elsevier, vol. 17(1), pages 57-89, September.
  6. Hsueh, L. Paul & Liu, Y. Angela, 1992. "Market anticipation and the effect of bond rating changes on common stock prices," Journal of Business Research, Elsevier, vol. 24(3), pages 225-239, May.
  7. James Crotty, 2008. "Structural Causes of the Global Financial Crisis: A Critical Assessment of the ‘New Financial Architecture’," Working Papers wp180, Political Economy Research Institute, University of Massachusetts at Amherst.
  8. Grossman, Sanford J & Stiglitz, Joseph E, 1980. "On the Impossibility of Informationally Efficient Markets," American Economic Review, American Economic Association, vol. 70(3), pages 393-408, June.
  9. 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.
  10. J. Doyne Farmer & Shareen Joshi, 2000. "The Price Dynamics of Common Trading Strategies," Working Papers 00-12-069, Santa Fe Institute.
  11. Carlson Mark & Hale Galina B, 2006. "Rating Agencies and Sovereign Debt Rollover," The B.E. Journal of Macroeconomics, De Gruyter, vol. 6(2), pages 1-32, September.
  12. Giovanni Ferri, 2004. "More analysts, better ratings: Do rating agencies invest enough in less developed countries?," Journal of Applied Economics, Universidad del CEMA, vol. 0, pages 77-98, May.
  13. Andrea Morone & Eleni Samanidou, 2007. "A simple note on Herd Behaviour," series 0013, Dipartimento di Scienze Economiche e Metodi Matematici - Università di Bari, revised Feb 2007.
  14. Banerjee, Abhijit V, 1992. "A Simple Model of Herd Behavior," The Quarterly Journal of Economics, MIT Press, vol. 107(3), pages 797-817, August.
  15. Lux, Thomas, 1995. "Herd Behaviour, Bubbles and Crashes," Economic Journal, Royal Economic Society, vol. 105(431), pages 881-96, July.
  16. Morone, Andrea, 2012. "A simple model of herd behavior, a comment," Economics Letters, Elsevier, vol. 114(2), pages 208-211.
  17. Impson, C Michael & Karafiath, Imre & Glascock, John L, 1992. "Testing Beta Stationarity across Bond Rating Changes," The Financial Review, Eastern Finance Association, vol. 27(4), pages 607-18, November.
  18. Andrea Morone, 2008. "Financial markets in the laboratory: an experimental analysis of some stylized facts," Quantitative Finance, Taylor & Francis Journals, vol. 8(5), pages 513-532.
  19. Norden, Lars & Weber, Martin, 2004. "Informational Efficiency of Credit Default Swap and Stock Markets: The Impact of Credit Rating Announcements," CEPR Discussion Papers 4250, C.E.P.R. Discussion Papers.
  20. Huber, Jurgen & Kirchler, Michael & Sutter, Matthias, 2008. "Is more information always better: Experimental financial markets with cumulative information," Journal of Economic Behavior & Organization, Elsevier, vol. 65(1), pages 86-104, January.
  21. Norden, Lars & Weber, Martin, 2004. "Informational efficiency of credit default swap and stock markets: The impact of credit rating announcements," Journal of Banking & Finance, Elsevier, vol. 28(11), pages 2813-2843, November.
  22. Sushil Bikhchandani & David Hirshleifer & Ivo Welch, 2010. "A theory of Fads, Fashion, Custom and cultural change as informational Cascades," Levine's Working Paper Archive 1193, David K. Levine.
  23. Grossman, Sanford J & Stiglitz, Joseph E, 1976. "Information and Competitive Price Systems," American Economic Review, American Economic Association, vol. 66(2), pages 246-53, May.
  24. Fiore, Annamaria & Morone, Andrea, 2007. "A Simple Note on Informational Cascades," Economics Discussion Papers 2007-21, Kiel Institute for the World Economy.
  25. Stephen Morris & Hyun Song Shin, 2002. "Social Value of Public Information," American Economic Review, American Economic Association, vol. 92(5), pages 1521-1534, December.
  26. Goh, Jeremy C. & Ederington, Louis H., 1999. "Cross-sectional variation in the stock market reaction to bond rating changes," The Quarterly Review of Economics and Finance, Elsevier, vol. 39(1), pages 101-112.
  27. Georges, Christophre, 2006. "Learning with misspecification in an artificial currency market," Journal of Economic Behavior & Organization, Elsevier, vol. 60(1), pages 70-84, May.
  28. Marco Cipriani & Antonio Guarino, 2005. "Herd Behavior in a Laboratory Financial Market," American Economic Review, American Economic Association, vol. 95(5), pages 1427-1443, December.
  29. Marco Cipriani & Antonio Guarino, 2008. "Herd Behavior in Financial Markets: An Experiment with Financial Market Professionals," Working Papers 2009-16, The George Washington University, Institute for International Economic Policy.
  30. 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.
  31. Griffin, Paul A & Sanvicente, Antonio Z, 1982. " Common Stock Returns and Rating Changes: A Methodological Comparison," Journal of Finance, American Finance Association, vol. 37(1), pages 103-19, March.
  32. Simone Alfarano & Iván Barreda-Tarrazona & Eva Camacho-Cuena, 2006. "On the role of heterogeneous and imperfect information in a laboratory financial market," Central European Journal of Operations Research, Springer, vol. 14(4), pages 417-433, December.
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