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Optimal Destabilization of Cartels

Author

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  • von Auer, Ludwig
  • Pham, Tu Anh
Abstract
A model-based derivation of an effective antitrust policy requires an economic framework that includes three actors: a cartel, a group of competing fringe firms, and a welfare maximizing antitrust authority. In existing models of cartel behavior, at least one of these actors is always missing. By contrast, the present paper's oligopoly model includes all three actors. The cartel is the Stackelberg quantity leader and the fringe firms are in Cournot competition with respect to the residual demand. Taking into account that the antitrust policy instruments (effort, fine, and leniency program) are not costless for society, an optimal policy is derived.

Suggested Citation

  • von Auer, Ludwig & Pham, Tu Anh, 2020. "Optimal Destabilization of Cartels," VfS Annual Conference 2020 (Virtual Conference): Gender Economics 224521, Verein für Socialpolitik / German Economic Association.
    • Handle: RePEc:zbw:vfsc20:224521
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    References listed on IDEAS

    as
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    Cited by:

    1. Ludwig Auer & Tu Anh Pham, 2021. "Optimal destabilization of cartels," Journal of Regulatory Economics, Springer, vol. 59(2), pages 175-192, April.

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    More about this item

    Keywords

    antitrust; stability; Cournot fringe; oligopoly; leniency;
    All these keywords.

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices

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