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Are Hyperinflationary Paths Learnable?

Author

Listed:
  • Klaus Adam

    (University of Frankfurt)

  • George W. Evans

    (University of Oregon Economics Department)

  • Seppo Honkapohja

    (University of Helsinki)

Abstract

Earlier studies of the seigniorage inflation model have found that the high-inflation steady state is not stable under adaptive learning. We reconsider this issue and analyze the full set of solutions for the linearized model. Our main focus is on stationary hyperinflationary paths near the high-inflation steady state. The hyperinflationary paths are stable under learning if agents can utilize contemporaneous data. However, in an economy populated by a mixture of agents, some of whom only have access to lagged data, stable inflationary paths emerge only if the proportion of agents with access to contemporaneous data is sufficiently high.

Suggested Citation

  • Klaus Adam & George W. Evans & Seppo Honkapohja, 2003. "Are Hyperinflationary Paths Learnable?," University of Oregon Economics Department Working Papers 2003-31, University of Oregon Economics Department, revised 22 Apr 2005.
    • Handle: RePEc:ore:uoecwp:2003-31
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    File URL: http://economics.uoregon.edu/papers/UO-2003-31_Evans_Stationary_Paths.pdf
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    More about this item

    Keywords

    inflation; stability of equilibria; seigniorage;
    All these keywords.

    JEL classification:

    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation

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