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Mobile call termination in the UK

Armstrong, Mark and Wright, Julian (2007): Mobile call termination in the UK.

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Abstract

We discuss policy towards mobile call termination, illustrated by the 2002 Competition Commission enquiry into the UK mobile market. We present a model of the mobile market which includes both fixed-to-mobile and mobile-to-mobile call termination. In broad terms, the former service is likely to involve monopoly pricing if left unchecked, while the latter service---if the termination charge is jointly chosen by networks---may provide the mobile sector with the means by which to relax competition. Competition is often relaxed by choosing a low mobile-to-mobile termination charge. If feasible, then, unregulated networks often wish to set different termination charges depending on whether traffic originates on the fixed or mobile network. By contrast, social optimality often requires that uniform termination charges be imposed.

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