>Overall, individuals with dark traits engage in more counterproductive work behaviour, such as theft and abusive supervision. Perhaps unsurprisingly, they don’t end up with higher average incomes than their peers with light personalities. >The key factor here seems to be empathy: the capacity to resonate with – and understand the perspective of – the emotional experiences of others. Individuals with light personalit…
It's not just salary - it's every single negotiation you have in your life. Negotiation is the art of backing down carefully, not all at once, not being a pushover, not going-along-to-get-along. If you're an agreeable person, then you by definition don't push for your way instead of someone else's; and when you're in a financial negotiation, this is basically the worst trait you can possibly have, because your adversary probably does this more often and was specifically hired for being someone that is good at pushing for their way. The company wants to hire you for less money; the car salesperson wants to sell you the car for a higher price; and so forth.
There is no way of fixing this problem "systemically" across the board, because game-theoretically it will rarely be to anyone's advantage to take the first step in this direction.