Is there evidence that Uber loses money on every transaction? According to financials from 2015, they have higher revenues than cost of sales: www.nakedcapita

Is there evidence that Uber loses money on every transaction? According to financials from 2015, they have higher revenues than cost of sales: www.nakedcapitalism.com/2016/11/can-uber-ever-deliver-part-one-understanding-ubers-bleak-operating-economics.html This suggests to me that marginal rides are profitable, even if they aren't profitable enough to cover fixed costs of software development or investments into new geographic markets.