This paper is about the properties of Markov switching rational expectations (MSRE) models. We present a simple monetary policy model that switches between two regimes with known transition probabilities. The first regime, treated in isolation, has a unique determinate rational expectations equilibrium and the second contains a set of indeterminate sunspot equilibria. We show that the Markov switching model, which randomizes between these two regimes, may contain a continuum of indeterminate equilibria. We provide examples of stationary sunspot equilibria and bounded sunspot equilibria which exist even when the MSRE model satisfies a 'generalized Taylor principle'. Our result suggests that it may be more difficult to rule out non-fundamental equilibria in MRSE models than in the single regime case where the Taylor principle is known to guarantee local uniqueness.
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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number
5919.
Find related papers by JEL classification: C3 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Troy Davig & Eric M. Leeper, 2006.
"Generalizing the Taylor Principle,"
Caepr Working Papers
2006-001, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.
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Cited by: (explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)
Troy Davig & Eric M. Leeper, 2006.
"Generalizing the Taylor Principle,"
Caepr Working Papers
2006-001, Center for Applied Economics and Policy Research, Economics Department, Indiana University Bloomington.
[Downloadable!]