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

The Federal Communications Commission’s Privacy Order (FCC) was overturned by the Senate, clearing the way for ISPs to ramp up consumer data-driven advertising revenue.

While Google and Facebook dominate digital advertising in the US as in other markets, the US is alone in removing regulatory barriers to ISPs taking a piece of the pie.

US ISPs now have a self-regulatory regime for consumer rights on transparency, security and data breaches; but in the UK and EU, privacy advocates prefer enforceable rights.