Staff Reports
Imperfectly Credible Disinflation under EndogenousTime-Dependent Pricing
November 2008 Number 355
Revised: May 2010
JEL classification: E31, E52

Authors: Marco Bonomo and Carlos Carvalho

The real effects of an imperfectly credible disinflation depend critically on the extent of price rigidity. In this paper, we examine how credibility affects the outcome of a disinflation in a model with endogenous time-dependent pricing rules. Both the endogenous initial degree of price rigidity and changes in the duration of price spells during disinflation play an important role in explaining the effects of imperfect credibility. We initially consider the costs of disinflation when the degree of credibility is fixed, and then allow agents to use Bayes’ rule to update beliefs about the “type” of monetary authority that they face. In both cases, the interaction between the endogeneity of time-dependent rules and imperfect credibility increases the output costs of disinflation. The pattern of the output response is more realistic in the case with learning.
Available only in PDF pdf 38 pages / 378 kb
For a published version of this report, see Marco Bonomo and Carlos Carvalho, "Imperfectly Credible Disinflation under Endogenous Time-Dependent Pricing," Journal of Money, Credit, and Banking 42, no. 5 (August 2010): 799-831.
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