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Rational Belief Structures and Rational Belief Equilibrium


  • Carsten Krabbe Nielsen

    (Institute of Economics, University of Copenhagen)


The paper introduces some simplifying tools and methods for studying Rational Beliefs and for proving existence of Rational Belief Equilibria: We identify a set of stable non-stationary stochastic processes, named SIDS processes. Furthermore we introduce the concept of a Rational Belief Structure, which formulates the Rational Beliefs of the agents as beliefs about the distribution of exogenous variables and the beliefs of other agents. The use of the developed apparatus is demonstrated by showing existence of a set of Rational Belief Equilibria in an Overlapping Generations Model with money and one commodity.

Suggested Citation

  • Carsten Krabbe Nielsen, 1995. "Rational Belief Structures and Rational Belief Equilibrium," Discussion Papers 95-14, University of Copenhagen. Department of Economics.
  • Handle: RePEc:kud:kuiedp:9514

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    References listed on IDEAS

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    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.

    Cited by:

    1. Kurz, Mordecai & Motolese, Maurizio, 2006. "Risk Premia, diverse belief and beauty contests," MPRA Paper 247, University Library of Munich, Germany.
    2. Peter J. Hammond & Yeneng Sun, 2003. "Monte Carlo simulation of macroeconomic risk with a continuum of agents: the symmetric case," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 21(2), pages 743-766, March.
    3. Kurz, Mordecai, 2008. "Beauty contests under private information and diverse beliefs: How different?," Journal of Mathematical Economics, Elsevier, vol. 44(7-8), pages 762-784, July.
    4. Larry G. Epstein & Martin Schneider, 2007. "Learning Under Ambiguity," Review of Economic Studies, Oxford University Press, vol. 74(4), pages 1275-1303.
    5. Kurz, Mordecai & Jin, Hehui & Motolese, Maurizio, 2005. "The role of expectations in economic fluctuations and the efficacy of monetary policy," Journal of Economic Dynamics and Control, Elsevier, vol. 29(11), pages 2017-2065, November.
    6. Massimo Guidolin, 2006. "High equity premia and crash fears - Rational foundations," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 28(3), pages 693-708, August.
    7. Carsten Nielsen, 2011. "Price stabilizing, Pareto improving policies," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 459-500, June.
    8. Hiroyuki Nakata, 2007. "A Model of Financial Markets with Endogenously Correlated Rational Beliefs," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 30(3), pages 431-452, March.
    9. Kurz, Mordecai, 2006. "Beauty contests under private information and diverse beliefs: how different?," MPRA Paper 233, University Library of Munich, Germany, revised Apr 2006.
    10. Carsten Krabbe Nielsen, 2004. "Rational overconfidence and excess volatility in general equilibrium," Econometric Society 2004 Latin American Meetings 157, Econometric Society.
    11. Carsten K. Nielsen, 2009. "Optimal economic institutions under rational overconfidence, with applications to the choice of exchange rate regime," International Journal of Economic Theory, The International Society for Economic Theory, vol. 5(4), pages 375-407.
    12. Carsten Krabbe Nielsen, 2009. "Rational Overconfidence and Social Security," Discussion Paper Series 0916, Institute of Economic Research, Korea University.
    13. Mordecai Kurz, 2011. "Symposium: on the role of market belief in economic dynamics, an introduction," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 189-204, June.
    14. Mordecai Kurz & Hehui Jin & Maurizio Motolese, 2005. "Determinants of stock market volatility and risk premia," Annals of Finance, Springer, vol. 1(2), pages 109-147, July.
    15. Mordecai Kurz, 1997. "Social States of Belief and the Determinants of the Equity Risk Premium in A Rational Belief Equilibrium," Working Papers 97026, Stanford University, Department of Economics.
    16. Mordecai Kurz, 2007. "Rational Diverse Beliefs and Economic Volatility," Discussion Papers 06-045, Stanford Institute for Economic Policy Research.
    17. Mordecai Kurz & Maurizio Motolese, 2011. "Diverse beliefs and time variability of risk premia," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 293-335, June.
    18. Larry G. Epstein & Martin Schneider, 2008. "Ambiguity, Information Quality, and Asset Pricing," Journal of Finance, American Finance Association, vol. 63(1), pages 197-228, February.
    19. Nielsen, Carsten Krabbe, 2008. "On rationally confident beliefs and rational overconfidence," Mathematical Social Sciences, Elsevier, vol. 55(3), pages 381-404, May.

    More about this item


    stable stochastic processes; non-stationarity; general equilibrium; OLG model;

    JEL classification:

    • D5 - Microeconomics - - General Equilibrium and Disequilibrium
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • D9 - Microeconomics - - Micro-Based Behavioral Economics


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