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Price competition under cost uncertainty: A laboratory analysis

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  • Jordi Brandts
  • Klaus Abbink

Abstract

We study the relation between the number of firms and price-cost margins under price competition with uncertainty about competitors' costs. We present results of an experiment in which two, three and four identical firms repeatedly interact in this environment. In line with the theoretical prediction, market prices decrease with the number of firms, but on average stay above marginal costs. Pricing is less aggressive in duopolies than in triopolies and tetrapolies. However, independently from the number of firms, pricing is more aggressive than in the theoretical equilibrium. Both the absolute and the relative surpluses increase with the number of firms. Total surplus is close to the equilibrium level, since enhanced consumer surplus through lower prices is counteracted by occasional displacements of the most efficient firm in production.

Suggested Citation

  • Jordi Brandts & Klaus Abbink, 2003. "Price competition under cost uncertainty: A laboratory analysis," Working Papers 58, Barcelona School of Economics.
    • Handle: RePEc:bge:wpaper:58
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Argenton, Cédric & Ivanova-Stenzel, Radosveta & Müller, Wieland, 2024. "Cournot meets Bayes-Nash: A discontinuity in behavior in finitely repeated duopoly games," Games and Economic Behavior, Elsevier, vol. 144(C), pages 1-12.
    2. Dechenaux, Emmanuel & Mago, Shakun D., 2019. "Communication and side payments in a duopoly with private costs: An experiment," Journal of Economic Behavior & Organization, Elsevier, vol. 165(C), pages 157-184.
    3. Dijkstra, Peter T. & Haan, Marco A. & Mulder, Machiel, 2017. "Industry structure and collusion with uniform yardstick competition: Theory and experiments," International Journal of Industrial Organization, Elsevier, vol. 50(C), pages 1-33.
    4. Jacob Goeree & Theo Offerman & Randolph Sloof, 2013. "Demand reduction and preemptive bidding in multi-unit license auctions," Experimental Economics, Springer;Economic Science Association, vol. 16(1), pages 52-87, March.
    5. Bayona, Anna & Brandts, Jordi & Vives, Xavier, 2020. "Information frictions and market power: A laboratory study," Games and Economic Behavior, Elsevier, vol. 122(C), pages 354-369.
    6. Heymann, D. & Kawamura, E. & Perazzo, R. & Zimmermann, M.G., 2014. "Behavioral heuristics and market patterns in a Bertrand–Edgeworth game," Journal of Economic Behavior & Organization, Elsevier, vol. 105(C), pages 124-139.
    7. Selten, Reinhard & Apesteguia, Jose, 2005. "Experimentally observed imitation and cooperation in price competition on the circle," Games and Economic Behavior, Elsevier, vol. 51(1), pages 171-192, April.
    8. Jan Potters & Sigrid Suetens, 2013. "Oligopoly Experiments In The Current Millennium," Journal of Economic Surveys, Wiley Blackwell, vol. 27(3), pages 439-460, July.
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    10. Yiakoumi, Despina & Rouaix, Agathe & Phimister, Euan, 2022. "Evaluating capacity auction design for electricity: An experimental analysis," Energy Economics, Elsevier, vol. 115(C).
    11. Dijkstra, Peter & Haan, Marco A. & Mulder, Machiel, 2014. "Industry structure and collusion with uniform yardstick competition," Research Report 14010-EEF, University of Groningen, Research Institute SOM (Systems, Organisations and Management).
    12. Jordi Brandts & Pablo Guill?, 2004. "Collusion and Fights in an Experiment with Price-Setting Firms and Production in Advance," UFAE and IAE Working Papers 618.04, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC).
    13. Soo Keong Yong & Lana Friesen & Stuart McDonald, 2018. "Emission Taxes, Clean Technology Cooperation, And Product Market Collusion: Experimental Evidence," Economic Inquiry, Western Economic Association International, vol. 56(4), pages 1950-1979, October.

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    More about this item

    Keywords

    Laboratory experiments; industrial organization; oligopoly; price competition;
    All these keywords.

    JEL classification:

    • C90 - Mathematical and Quantitative Methods - - Design of Experiments - - - General
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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