Mobile sector returns are low, particularly for smaller-scale operators, with H3G earning less than its cost of capital. Regulatory initiatives, spectrum auctions and 5G look set to worsen this picture as H3G strives to gain viable scale

Back-book pricing is crucial to the returns of fixed challengers. Regulatory intervention is likely to lead to a waterbed effect in the fixed sector and exacerbate challenges in mobile

New entrant business case in full fibre is limited to de facto monopoly opportunities. There is the potential for BT’s returns to increase markedly if it gets full fibre right but new entrants’ inferior economics are unlikely to offer sufficient investor appeal

Many European telecoms operators are pursuing a fixed/mobile convergence strategy on the pretext that the addition of mobile reduces churn. We see no evidence of churn reduction from this strategy

Discounts required to encourage take-up of fixed/mobile services are often value-destructive, even before competitor reaction: a 10% bundle discount necessitates a 2ppt improvement in churn to wash its face economically. M&A premia on the basis of convergence synergies raise the hurdle even higher

Most UK operators offer very limited discounts on fixed/mobile bundles for now, sensibly focusing on enhanced services. Vodafone is the most aggressive, albeit less so than it is elsewhere. All UK players should hope that it stays this way