The issue of separating telecommunications networks - either functionally within a common ownership structure or structurally, under separate ownership - has attracted much recent attention. The paper discusses different forms of separation and the motives for them, and examines the question of...

Scarcity of spectrum limits the number of competing network operators in mobile telecoms. In the UK a regulatory review is currently enquiring into the effects of limited competition in the mobile market. The European Commission is also reviewing competition in roaming across mobile networks in...