Summary.
We analyze an oligopoly model of homogeneous product price competition that allows for discontinuities in demand and/or costs. Conditions under which only zero profit equilibrium outcomes obtain in such settings are provided. We then illustrate through a series of examples that the conditions provided are “tight” in the sense that their relaxation leads to positive profit outcomes.
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Received: April 7, 2000; revised version: September 14, 2000
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Baye, M., Morgan, J. Winner-take-all price competition. Econ Theory 19, 271–282 (2002). https://doi.org/10.1007/PL00004212
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DOI: https://doi.org/10.1007/PL00004212