A potential shortcoming of game-theoretic models in industrial organization is their failure to consider consumers as players. We introduce a customer coalition --- a cooperative -- as a potential entrant and compare the cooperative entry threat with that posed by the usual for-profit entrant....

In the Schelling model of residential sorting, preferences for neighborhood mix are expressed in terms of tolerance of unlike neighbors, and an agent moves when its tolerance threshold is exceeded. In this paper, agents' preferences for neighborhood mix are represented by bid-rent functions, and...