This discrepancy could be driven by the private equity brand craze. Firms buy into the Uber's, Airbnb's and Slack's at irrational prices just to say the are 'i

This discrepancy could be driven by the private equity brand craze. Firms buy into the Uber's, Airbnb's and Slack's at irrational prices just to say the are 'investors' when raising the next pool of money.