Optimal Pricing Under Stochastic Inflation: State:Dependent (s,S) Policies

Christian Ahlin

No 127, Vanderbilt University Department of Economics Working Papers from Vanderbilt University Department of Economics

Abstract: A model of firm-level optimal pricing under stochastic inflation and fixed costs of adjusting prices is solved and characterized. In this model, inflation alternates stochastically between some positive rate g and zero inflation. We find that a single (s,S) band is not optimal for the firm, as was claimed in the earlier literature. Rather, the firm will set a different (s,S) band for each state of the world, with the zero-inflation band wholly contained in the positive-inflation band. A numerical example is then presented, showing that a higher variance of aggregate price changes increases price dispersion in the positive-inflation state and decreases price dispersion in the zero-inflation state.

Keywords: Inflation; inflation variability; menu costs; price dispersion; state-dependent pricing (search for similar items in EconPapers)
JEL-codes: D21 E31 E42 E52 (search for similar items in EconPapers)
Date: 2001-11
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Persistent link: https://EconPapers.repec.org/RePEc:van:wpaper:0127

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