We consider a duopoly pricing game with a unique Bertrand-Nash equilibrium. The high-price firm has a nonvanishing market share, however, and intuition suggests that observed prices may be positively related to this market share. This relationship is implied by a model in which players make...

Despite the discovery of predatory intent in several widely cited antitrust cases, many industrial organization economists have argued that predatory pricing is irrational and rarely observed. The argument is that pricing below cost in order to drive competitors out of the market will be...

This paper considers a duopoly price-choice game in which the unique Nash equilibrium is the Bertrand outcome. Price competition, however, is imperfect in the sense that the market share of the high-price firm is not zero. Economic intuition suggests that price levels should be positively...