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Monetary policy obeying the Taylor principle turns prices into strategic substitutes

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  • Cornand, Camille
  • Heinemann, Frank

Abstract

Monetary policy affects the degree of strategic complementarity in firms’ pricing decisions if it responds to the aggregate price level. In normal times, when monopolistic competitive firms increase their prices, the central bank raises interest rates, which lowers demand and creates an incentive for firms to reduce their prices. Thereby, monetary policy reduces the degree of strategic complementarities among firms’ pricing decisions and even turns prices into strategic substitutes if the effect of interest rates on demand is sufficiently strong. We show that this condition holds when monetary policy follows the Taylor principle. By contrast, if the equilibrium is indeterminate, because monetary policy violates the Taylor principle, or in a liquidity trap where monetary policy is restricted by the zero lower bound, pricing decisions are strategic complements. We discuss the consequences for dynamic adjustment processes after shocks and some policy implications.

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  • Cornand, Camille & Heinemann, Frank, 2022. "Monetary policy obeying the Taylor principle turns prices into strategic substitutes," Journal of Economic Behavior & Organization, Elsevier, vol. 200(C), pages 1357-1371.
    • Handle: RePEc:eee:jeborg:v:200:y:2022:i:c:p:1357-1371
    DOI: 10.1016/j.jebo.2019.10.022
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    Cited by:

    1. Tatsushi Okuday & Tomohiro Tsurugaz & Francesco Zanetti, 2019. "Imperfect Information, Shock Heterogeneity, and Inflation Dynamics," BCAM Working Papers 1906, Birkbeck Centre for Applied Macroeconomics.
    2. Bulutay, Muhammed & Cornand, Camille & Zylbersztejn, Adam, 2022. "Learning to deal with repeated shocks under strategic complementarity: An experiment," Journal of Economic Behavior & Organization, Elsevier, vol. 200(C), pages 1318-1343.
    3. Assenza, T. & Heemeijer, P. & Hommes, C.H. & Massaro, D., 2021. "Managing self-organization of expectations through monetary policy: A macro experiment," Journal of Monetary Economics, Elsevier, vol. 117(C), pages 170-186.

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    More about this item

    Keywords

    Monopolistic competition; Monetary policy rule; Pricing decisions; Strategic complementarity; Strategic substitutability;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games

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