HMM: “The differences in raw wages may be almost entirely the result of the individual choices being made by both male and female workers.”

Related: Why Dutch Women Don’t Work Longer Hours. “The Dutch began identifying women’s failure to participate in the workforce more aggressively as a major social problem in the 1990s, which led to a tax reform intended to incentivise women out of the cosy ‘trap’ of part-time work. Instead, most women used the better tax treatment as a way to work less.”