Fortunately, recently, professors Nick Bloom, Toby Kretschmer, and John van Reenen (from Stanford, the University of Munich, and the London School of Economics) conducted an extensive study examining the effect of family-friendly practices on hard variables such as firm sales per employee and return on capital employed, using a large database of firms from the US, the UK, Germany, and France.

FORBES: Are Family-Friendly Workplace Practices Worth Their Money? New Evidence