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The Informational Role of Prices

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  • Leonard J. Mirman
  • Marc Santugini

Abstract

We consider a dominant firm with a competitive fringe in order to investigate the informational role of prices. The fringe is necessary for the existence of a unique, fully revealing equilibrium, in which the price reveals the quality of the good to uninformed buyers. A higher price triggers more sales on the part of the competitive fringe, reducing both residual demand and profits. We find that a larger share of uninformed buyers increases the price and reduces the quantity sold by the dominant firm, but increases the quantity sold by the competitive fringe. This, in turn, reduces consumer surplus and welfare.

Suggested Citation

  • Leonard J. Mirman & Marc Santugini, 2019. "The Informational Role of Prices," Scandinavian Journal of Economics, Wiley Blackwell, vol. 121(2), pages 606-629, April.
    • Handle: RePEc:bla:scandj:v:121:y:2019:i:2:p:606-629
    DOI: 10.1111/sjoe.12272
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    References listed on IDEAS

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    Cited by:

    1. Minghua Chen & Konstantinos Serfes & Eleftherios Zacharias, 2023. "Prices as signals of product quality in a duopoly," International Journal of Game Theory, Springer;Game Theory Society, vol. 52(1), pages 1-31, March.
    2. Mandeya Shelton M.T & Ho Sin-Yu, 2022. "Inflation, Inflation Uncertainty and the Economic Growth Nexus: A Review of the Literature," Folia Oeconomica Stetinensia, Sciendo, vol. 22(1), pages 172-190, June.
    3. Mirman, Leonard J. & Salgueiro, Egas M. & Santugini, Marc, 2014. "Noisy signaling in monopoly," International Review of Economics & Finance, Elsevier, vol. 29(C), pages 504-511.
    4. Leonard J. Mirman & Marc Santugini, 2011. "The Simple Analytics of Price Signaling Quality," Cahiers de recherche 11-04, HEC Montréal, Institut d'économie appliquée.

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    More about this item

    JEL classification:

    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • D42 - Microeconomics - - Market Structure, Pricing, and Design - - - Monopoly
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality

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