This paper investigates how quantity competition operates in economies in which a network describes the set of feasible … markups; and details negative effects on welfare of changes in the network structure. The main contributions show that goods …

Ostrovsky [10] develops a theory of stability for a model of matching in exogenously given networks. For this model a … substitutability and cross side complementarity. Given this preference domain I analyze the interplay between properties of the network … stable network, and (v) the existence of an efficient and individually stable network. These equivalences also provide a …