This paper derives a model of vertical integration when it is difficult to write binding long-term supply price contracts. Thus, a vertically separated monopolist is vulnerable to hold-up. Without integration, we demonstrate that a bottleneck monopolist has an incentive to encourage more firms...

This paper considers the effect of exclusive contracts on investment decisions in a market with two upstream and two downstream firms. Segal and Whinston’s (2000) irrelevance result is generalized and it is shown that exclusive contracts have no effect on the equilibrium level of internal...