This paper analyzes the impact of vertical integration on the static and dynamic stability of downstream incomplete collusion. It is shown that a vertical merger between an upstream firm and a downstream cartel or fringe firm promotes downstream collusion, under certain conditions on the market...

This paper analyzes the impact of vertical integration on the static and dynamic stability of downstream incomplete collusion. It is shown that a vertical merger between an upstream firm and a downstream cartel or fringe firm promotes downstream collusion, under certain conditions on the market...

We study the existence of countervailing buyer power in a vertical industry where the input price is set via Nash bargainings between one upstream supplier and many differentiated but competing retailers. In case one bilateral bargaining fails, the supplier still has the ability to sell to the...

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...

In a vertical market experiment featuring a wholesale market and a retail market we investigate the countervailing power hypothesis of Galbraith (1952). Counter to standard models of imperfect competition this hypothesis proposes that increasing concentration of retail firms might be beneficial...