We analyze the setting of access prices for a bottleneck facility where the facility owner also competes in the deregulated downstream market. We consider a continuum of market structures from Cournot to Bertrand. These market structures are fully characterized by a single parameter representing...

We follow the duopoly framework with differentiated products as in Singh and Vives (1984) and Zanchettin (2006) and examine the welfare effects of a merger between two asymmetric firms. We find that for quantity competition, the merger increases total welfare if the cost asymmetry falls into a...

This paper examines a simple model of strategic interactions among firms that face at least some of the same rivals in two related markets (for goods 1 and 2). It shows that when firms compete in quantity, market prices increase as the degree of multi-market contact increases. However, the...