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Rational exuberance

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  • Heidhues, Paul
  • Melissas, Nicolas

Abstract

We study a two-player investment game with information externalities. Necessary and sufficient conditions for a unique symmetric switching equilibrium are provided. When public news indicates that the investment opportunity is very profitable, too many types are investing early and investments should therefore be taxed. Conversely, any positive investment tax is suboptimally high if the public information is sufficiently unfavorable.

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Bibliographic Info

Article provided by Elsevier in its journal European Economic Review.

Volume (Year): 56 (2012)
Issue (Month): 6 ()
Pages: 1220-1240

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Handle: RePEc:eee:eecrev:v:56:y:2012:i:6:p:1220-1240

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Web page: http://www.elsevier.com/locate/eer

Related research

Keywords: Information externality; Social learning; Strategic waiting; Delay; Information cascade;

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References

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  1. Gale, D. & Chamley, C., 1992. "Information Revelation and Strategic Delay in a Model of Investment," Papers 10, Boston University - Department of Economics.
  2. Stephen Morris & Hyun Song Shin, 2002. "Social Value of Public Information," American Economic Review, American Economic Association, vol. 92(5), pages 1521-1534, December.
  3. Morris, Stephen & Shin, Hyun Song, 2004. "Coordination risk and the price of debt," European Economic Review, Elsevier, vol. 48(1), pages 133-153, February.
  4. 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.
  5. Gul, Faruk & Lundholm, Russell, 1995. "Endogenous Timing and the Clustering of Agents' Decisions," Journal of Political Economy, University of Chicago Press, vol. 103(5), pages 1039-66, October.
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  7. Dan Levin & James Peck, 2005. "Investment Dynamics with Common and Private Values," Levine's Bibliography 666156000000000607, UCLA Department of Economics.
  8. George-Marios Angeletos & Christian Hellwig & Alessandro Pavan, 2007. "Dynamic Global Games of Regime Change: Learning, Multiplicity, and the Timing of Attacks," Econometrica, Econometric Society, vol. 75(3), pages 711-756, 05.
  9. Ivan Werning & George-Marios Angeletos, 2005. "Crises and Prices: Information Aggregation, Multiplicity and Volatility," 2005 Meeting Papers 284, Society for Economic Dynamics.
  10. Jianbo Zhang, 1997. "Strategic Delay and the Onset of Investment Cascades," RAND Journal of Economics, The RAND Corporation, vol. 28(1), pages 188-205, Spring.
  11. Caplin, A. & Leahy, J., 1993. "Miracle on Sixth Avenue: Information Externalities and Search," Harvard Institute of Economic Research Working Papers 1665, Harvard - Institute of Economic Research.
  12. Olivier Gossner & Nicholas Melissas, 2003. "Informational cascades elicit private information," Discussion Papers in Economics 03/6, Department of Economics, University of Leicester.
  13. Stephen Morris & Hyun Song Shin, 2000. "Rethinking Multiple Equilibria in Macroeconomic Modelling," Cowles Foundation Discussion Papers 1260, Cowles Foundation for Research in Economics, Yale University.
  14. Doyle, Matthew, 2002. "Informational Externalities, Strategic Delay, and the Search for Optimal Policy," Staff General Research Papers 10046, Iowa State University, Department of Economics.
  15. Frisell, Lars, 2003. " On the Interplay of Informational Spillovers and Payoff Externalities," RAND Journal of Economics, The RAND Corporation, vol. 34(3), pages 582-92, Autumn.
  16. Dasgupta, Amil, 2007. "Coordination and delay in global games," Journal of Economic Theory, Elsevier, vol. 134(1), pages 195-225, May.
  17. Kenneth Hendricks & Dan Kovenock, 1989. "Asymmetric Information, Information Externalities, and Efficiency: The Case of Oil Exploration," RAND Journal of Economics, The RAND Corporation, vol. 20(2), pages 164-182, Summer.
  18. George-Marios Angeletos & Alessandro Pavan, 2007. "Dynamic Global Games of Regime Change: Learning, Multiplicity and Timing of Attacks," Discussion Papers 1497, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  19. Stephen Morris & Hyun Song Shin, 2005. "Central Bank Transparency and the Signal Value of Prices," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 36(2), pages 1-66.
  20. Chamley, Christophe, 2004. "Delays and equilibria with large and small information in social learning," European Economic Review, Elsevier, vol. 48(3), pages 477-501, June.
  21. Hikmet Gunay, 2008. "The role of externalities and information aggregation in market collapse," Economic Theory, Springer, vol. 35(2), pages 367-379, May.
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