Oligopolistic Competition, Price Rigidity, and Monetary Policy

Kozo Ueda and Kota Watanabe
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Kota Watanabe: Canon Institute for Global Studies and University of Tokyo

No 47, Working Papers on Central Bank Communication from University of Tokyo, Graduate School of Economics

Abstract: This study investigates how strategic and heterogeneous price setting influences the real effect of monetary policy. Japanese data show that firms with larger market shares exhibit more frequent and larger price changes than those with smaller market shares. We then construct an oligopolistic competition model with sticky prices and asymmetry in terms of competitiveness and price stickiness, which shows that a positive cross superelasticity of demand generates dynamic strategic complementarity, resulting in decreased price adjustments and an amplified real effect of monetary policy. Whether a highly competitive firm sets its price more sluggishly and strategically than a less competitive firm depends on the shape of the demand system, and the empirical results derived from the Japanese data support Hotelling’s model rather than the constant elasticity of substitution preferences model. Dynamic strategic complementarity and asymmetry in price stickiness can substantially enhance the real effect of monetary policy.

Keywords: strategic complementarity; price stickiness; real rigidity; competition (search for similar items in EconPapers)
JEL-codes: D43 E31 E52 L11 (search for similar items in EconPapers)
Pages: 38 pages
Date: 2023-07
New Economics Papers: this item is included in nep-bec, nep-com, nep-gth, nep-ind, nep-mac and nep-mon
Note: Appendix available at https://www.centralbank.e.u-tokyo.ac.jp/wp-content/uploads/2023/07/cb-wp047_appendix.pdf
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Citations: View citations in EconPapers (1)

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Working Paper: Oligopolistic Competition, Price Rigidity, and Monetary Policy (2023)
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