This paper investigates the problem of how the effect of vertical integration upon the final product price is related to the production and/or market structures. Some ambiguous results of the previous models are shown to involve the compound effect of vertical an d horizontal merger. This model...

The central purpose of this paper is to examine vertical integration as an equilibrium phenomenon. We model it as integration between Cournot oligopolists in both the upstream and the downstream stages. We consider the issue of private profitability versus collective profitability and show that...