2008-08-05Buch DOI: 10.18452/4146
The Natural Rate Hypothesis and Real Determinacy
The uniqueness of bounded local equilibria under interest rate rules is analyzed in a model with sticky information `a la Mankiw and Reis (2002). The main results are tighter bounds on monetary policy than in sticky-price models, irrelevance of the degree of output-gap targeting for determinacy, independence of determinacy regions from parameters outside the interest-rate rule, and equivalence between real determinacy in models satisfying the natural rate hypothesis and nominal determinacy in the associated full-information, flex-price equivalent. The analysis follows from boundedness considerations on the nonautonomous recursion that describe the MA(\infty) representation of variables’ reaction to endogenous fluctuations.
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Is Part Of Series: Sonderforschungsbereich 649: Ökonomisches Risiko - 54, SFB 649 Papers, ISSN:1860-5664