US entertainment groups have not been disrupted by the rise of digital media. Long running franchises drive growth across diverse sectors, starting with pay-TV and SVOD. US television advertising is rising in line with GDP, while the online video ad market is flourishing, with much appearing alongside the majors' scripted content

Studios' cable channels are their most profitable assets, but M&As with distribution platforms, including Comcast's aquisition of NBC Universal, have usually failed to deliver synergies

The Donald Trump presidency could leverage hostile public opinion towards mergers to undermine the AT&T bid for Time Warner; but it could also stimulate M&As if it granted tech companies a tax break to repatriate profits. A more protectionist administration could also bring about a less benevolent attitude towards majors' foreign operations

Yell UK is the dominant supplier of Classified Advertising Directory Services (CDAS) in the UK. Its principal competitor is BT but, as a natural monopoly, it is regulated, and has just undergone a sector review lifting the price caps currently in place. What does the future now hold for Yell, and more generally for CDAS, which has been the only growth sector in print classified advertising since 2004?