Men who grow up thinking women should stay at home may be labelled "old-fashioned" - but could end up well ahead in the salary stakes.
A US study, published in the Journal of Applied Psychology, suggests that they will consistently out-earn more "modern-thinking" men.
On average, this meant an extra $8,500 (£4,722) a year.
BBC NEWS | Health | Men with sexist views 'earn more'
This explains the success of Islamic finance! For the "old-fashioned" they perceive the world in white and black so I guess the decision making process for them is much easier. This makes them better decision makers, even when wrong, and therefore earn more. While those who are liberal minded see the different aspects of an issue and the decision making process is much harder, even though they are closer to reality. That's why they make better writers and artist; less so business people. That is at least my theory to explain the income gap.