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Quality Distortions in Monopolistic Competition

Author

Listed:
  • Sergei Kichko
  • Alina Ozhegova
  • Alexander Tarasov

Abstract

In this paper, we explore how heterogeneous firms decide on vertical and horizontal qualities of their products. We show that if increasing the product qualities appears to be relatively costly, more productive firms choose higher vertical quality but lower horizontal quality. We also document distortions that arise in our framework. Specifically, we find that in the market equilibrium, firms tend to underinvest in horizontal quality but overinvest in vertical quality compared to the first best allocation. Using data from pizzerias in Oslo, Norway, we provide a calibration exercise to estimate welfare losses due to the quality distortions.

Suggested Citation

  • Sergei Kichko & Alina Ozhegova & Alexander Tarasov, 2024. "Quality Distortions in Monopolistic Competition," CESifo Working Paper Series 11472, CESifo.
  • Handle: RePEc:ces:ceswps:_11472
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    References listed on IDEAS

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    More about this item

    Keywords

    monopolistic competition; vertical quality; horizontal quality; welfare;
    All these keywords.

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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