Two key assumptions in the DOJ challenge to AT&T and Time Warner

AT&T and Time Warner want to merge. They don't really operate in the same market -- AT&T is a distributor (specifically through wireless and Direct TV) while Time Warner has content -- notably HBO, CNN and its Warner movie releases. The DOJ have a straightforward vertical merger concern: that the new entity will use its …

Facebook DOES NOT have a monopoly on the news

It is not even close. In this view (#expressyourunpopularopinion), I know that I find no agreement amongst my economist colleagues. Facebook is generally perceived to be a monopolist in something called the 'social network market.' The latest discussion of that comes in the Financial Times from Tim Harford. I rarely find myself in disagreement with …

Sharing user search data

Last week I presented at the Lear Antitrust 2.0 conference in Rome. While there was no specific agenda beyond thinking about search and advertising, much of the discussion centred around Google's travails as EU Competition Authorities investigate its Google Shopping results (yes, really) and its dominance in Android. It was clear from the presentations by …