But then you would have an economy dominated by ‘superstar firms’ (Autor  et al 2017). The implications of that are not necessarily  benign. For a start, inequality could be greater. Median living standards might not rise. The drivers of innovation, like the drivers of creativity more generally, are hard to pin down. But the literature does provide some pointers to them.
Furthermore, among the 14 million increase in the work force in the non-agricultural sector over the past five years in the US, nearly a half can be attributed to an increase in service-related industries, reflecting the rapid growth of IT. Of this seven million increase, three million was seen in such areas as software design and the provision of temporary staff.