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The circular road revisited: Uniqueness and supermodularity

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  • Peitz, Martin

Abstract

The model of the circular road has proved to be a popular model of oligopolistic interaction, yet its theoretical properties are not fully explored. In this paper I extend the uniqueness result of price equilibrium in the circular road with equidistant locations from quadratic transportation costs to a class of utility functions of the consumers. I show that the associated game is supermodular and dominance solvable. The paper also discusses possible extensions and limitations of the model.
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  • Peitz, Martin, 1999. "The circular road revisited: Uniqueness and supermodularity," Research in Economics, Elsevier, vol. 53(4), pages 405-420, December.
    • Handle: RePEc:eee:reecon:v:53:y:1999:i:4:p:405-420
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    Cited by:

    1. de Frutos, M. A. & Hamoudi, H. & Jarque, X., 2002. "Spatial competition with concave transport costs," Regional Science and Urban Economics, Elsevier, vol. 32(4), pages 531-540, July.

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