Further reading:
Companies That Discriminate Fail (Eventually)
"There is lots of evidence that discrimination still exists [in the corporate world]" writes Noah Smith, Bloomberg view. He refers to "evidence has multiplied. In 2013, economists Fredrik Heyman [IFN], Helena Svaleryd, and Jonas Vlachos [affiliated to IFN] found that companies that get bought out in a takeover tend to increase their percentages of female employees".