A simple theoretical network model is introduced to investigate the problem of network interconnection. Prices, profits and welfare are compared under welfare maximisation, network monopoly and a scenario with competition over one part of the network. Given that inducing actual competition may...

The general complexity of demand interrelationships including the co-existence of complements and substitutes make traditional methods of regulating network industries problematic. Collusive pricing is preferred to independent pricing on complementary sections of a network whilst the reverse is...