I examine the dynamics of oligopolies when fi rms derive subjective value from being the market leader. In equilibrium, prices alternate in tandem between high levels and occasional price wars, which take place when market shares are similar and market leadership is at stake. The stationary...

We study oligopoly price competition between multiproduct firms, firms whose productsinteract in the promacr;t function. Specifically, we focus on the impact of intra firm product interactions on the level of equilibrium prices and promacr;ts. This impact is divided into two effects: a direct...