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Comparing Expectational Stability Criteria in Dynamic Models: A Preparatory Overview

Author

Listed:
  • Stéphane Gauthier

    (CREM - Centre de recherche en économie et management - UNICAEN - Université de Caen Normandie - NU - Normandie Université - UR - Université de Rennes - CNRS - Centre National de la Recherche Scientifique, CREST-INSEE - Centre de Recherche en Economie et en Statistique - Institut national de la statistique et des études économiques (INSEE))

  • Roger Guesnerie

    (Collège de France - Chaire Théorie économique et organisation sociale - CdF (institution) - Collège de France, DELTA - Département et Laboratoire d'Economie Théorique et Appliquée - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris sciences et lettres - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique)

Abstract

This paper compares the most significant expectational stability criteria that have been used to assess the plausibility of perfect foresight trajectories in forward-looking dynamical systems: determinacy of trajectories, absence of neighbour sunspot trajectories, and convergence of " evolutive " and " eductive " learning processes. It examines, within a set of increasingly complex dynamical models, the robustness of an equivalence principle suggested by the analysis of the simplest classes of those models.

Suggested Citation

  • Stéphane Gauthier & Roger Guesnerie, 2005. "Comparing Expectational Stability Criteria in Dynamic Models: A Preparatory Overview," Post-Print hal-00731535, HAL.
    • Handle: RePEc:hal:journl:hal-00731535
    Note: View the original document on HAL open archive server: https://hal.science/hal-00731535
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    Cited by:

    1. William Barnett & Unal Eryilmaz, 2022. "Monetary Policy and Determinacy: An Inquiry in Open Economy New Keynesian Framework," WORKING PAPERS SERIES IN THEORETICAL AND APPLIED ECONOMICS 202203, University of Kansas, Department of Economics.
    2. Roger Guesnerie & Pedro Jara-Moroni, 2011. "Expectational coordination in simple economic contexts," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 47(2), pages 205-246, June.

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