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Sequentially complete markets remain incomplete

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  • DRÈZE, Jacques
  • HERINGS, Jean-Jacques

Abstract

We reconsider the well-known result of Arrow (1953) that the set of equilibria of an economy with complete markets coincides with the one of an economy with sequentially complete markets. We show by means of two examples that this result is problematic when there exist multiple equilibrium continuations to the initial-period component of an intertemporal equilibrium. Some consequences are drawn.

Suggested Citation

  • DRÈZE, Jacques & HERINGS, Jean-Jacques, 2003. "Sequentially complete markets remain incomplete," LIDAM Discussion Papers CORE 2003085, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    • Handle: RePEc:cor:louvco:2003085
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    References listed on IDEAS

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    Cited by:

    1. Bottazzi, Giulio & Dindo, Pietro, 2014. "Evolution and market behavior with endogenous investment rules," Journal of Economic Dynamics and Control, Elsevier, vol. 48(C), pages 121-146.
    2. Robin Pope & Reinhard Selten & Johannes Kaiser & Sebastian Kube & Jürgen Hagen, 2012. "Exchange rate determination: a theory of the decisive role of central bank cooperation and conflict," International Economics and Economic Policy, Springer, vol. 9(1), pages 13-51, March.
    3. P. Herings & Kirsten Rohde, 2008. "On the completeness of complete markets," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 37(2), pages 171-201, November.
    4. P. Herings & Kirsten Rohde, 2008. "On the completeness of complete markets," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 37(2), pages 171-201, November.
    5. Fratini, Saverio M. & Levrero, Enrico Sergio & Ravagnani, Fabio, 2016. "Price expectations in neo-Walrasian equilibrium models: an overview," MPRA Paper 69515, University Library of Munich, Germany.
    6. Robin Pope, 2009. "Beggar‐Thy‐Neighbour Exchange Rate Regime Misadvice from Misapplications of Mundell (1961) and the Remedy," The World Economy, Wiley Blackwell, vol. 32(2), pages 326-350, February.

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    More about this item

    Keywords

    sequentially complete markets; rational expectations; time inconsistency;
    All these keywords.

    JEL classification:

    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis

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