There was a study which suggest this is the case about 30% of the time[1], though they have also been criticized by Uber and others as under-counting the amount of money gained from ridesharing[2].
I think it's fair to critique the ridesharing companies for using a business model that requires their workers to do far more complicated calculations than most workers in order to ensure that they are working in a financially beneficial way.
Found this [1] in the Twitter thread linked in the Vox article. MIT revised upward their estimation of taxi-app drivers' income significantly after taking into account some criticism of their methods:
I think it's fair to critique the ridesharing companies for using a business model that requires their workers to do far more complicated calculations than most workers in order to ensure that they are working in a financially beneficial way.
[1] https://orfe.princeton.edu/~alaink/SmartDrivingCars/PDFs/Zoe...
[2] https://www.vox.com/2018/3/3/17074782/uber-mit-study-less-th...