Consider a homogeneous Stackelberg leader-follower duopoly with quantity competition, in which both firms face the same industry-wide marginal costs. This paper investigates the comparative static effects of a change in these marginal costs. We show that an increase of the costs will lead to a...

We consider a market with a profit-maximizing monopolistic firm. Utility-maximizing consumers either buy one unit of the good or none at all. The demand for the good is influenced by local social interactions. That is, the utility which a consumer derives from the consumption of the good depends...