Are #Superstar #firms like Amazon, Apple and Facebook abusing their market dominance?@johnvanreenen from @MITEcon
shows how although big, these conglomerates employ relatively few #workers compared to the mega-firms of the past. An @econfilm production for @voxeu pic.twitter.com/MAHxAd81Q9— Econ Films (@econfilm) September 5, 2019
