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Optimal Destabilization of Cartels

Author

Listed:
  • Ludwig von Auer
  • Tu Anh Pham

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

  • Ludwig von Auer & Tu Anh Pham, 2019. "Optimal Destabilization of Cartels," Research Papers in Economics 2019-07, University of Trier, Department of Economics.
    • Handle: RePEc:trr:wpaper:201907
    as

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    References listed on IDEAS

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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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