Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/25297 
Year of Publication: 
2008
Series/Report no.: 
SFB 649 Discussion Paper No. 2008,054
Publisher: 
Humboldt University of Berlin, Collaborative Research Center 649 - Economic Risk, Berlin
Abstract: 
The uniqueness of bounded local equilibria under interest rate rules is analyzed in a model with sticky information à 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(∞) representation of variables' reaction to endogenous fluctuations.
Subjects: 
Nonautonomous difference equations
indeterminacy
Taylor rule
sticky information
sticky prices
JEL: 
C62
E31
E52
E58
E61
Document Type: 
Working Paper

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