Received literature have shown that if competing networks are restricted to linear and uniform pricing, high access charges can facilitate collusion; a result that breaks down if we allow for non-linear and discriminatory pricing, however. We show that by adding unbalanced calling pattern to the...

Through altering competitive conditions, globalisation can have a significant impact on productivity of the domestic economy. Foreign competition can stimulate the productivity improvements by domestic firms or it can lead to the elimination of inefficient producers. Alternatively, the threat or...