We address two questions. First, does the excess entry result of pure oligopoly hold when firms face a substitute good …

This Element offers a review and synthesis of the theoretical analysis of mixed oligopoly, that is a hybrid market … feature of a mixed oligopoly is that firms have different objectives. A public firm's objective is a notion of social welfare …, together with several applications from diverse subfields spanning industrial organisation, applied microeconomic theory …

We charaterise the socially optimal mix of firms in an oligopoly with both profit-seeking and labour-managed firms. The …