The paper redefines different types of vertical market structure, such as double monopoly, bilateral monopoly, and two-sided monopoly. The core issue can be stated as follows: When there is bilateral monopoly, what are the differences between two-sided monopoly and one-sided monopoly as far as...

We consider a downstream oligopoly model with one dominant and several fringe retailers who purchase a manufacturing product from a monopoly supplier. We examine how contract type influences the relationship between the dominant retailer's bargaining power and the equilibrium retail price. If...