EDIT: I see I misunderstood njord. I'll just drop this link here
https://www.google.com/url?q=https://web.stanford.edu/~diamondr/UberPayGap.pdf&sa=U&ved=2ahUKEwiQ58aLsujkAhU0HjQIHb8WCh8QFjABegQICRAB&usg=AOvVaw2Qff45Vt7l05dBeoNVQOELThis is one of the newest, and best studies carried out on the gender wage gap to date. It It is really quite interesting, as discrimination is not possible on the Uber app. Also note this study was carried out by a Stanford economist.
Edited 9/24/2019 02:20:35