While my initial reaction was “no shit Sherlock”, there are still a huge number of people in this country who believe that the ideal family model is not just nuclear and heterosexual, but one of rigid conformity to certain gender roles: male breadwinner and female housewife.
"Economists have spent a good deal of time examining and trying to explain the positive association between female employment and divorce. However, in doing so, they have paid very little attention to the behaviour of men. This research addresses that oversight and suggests that fathers' contribution to unpaid work at home stabilises marriage regardless of mothers' employment status."
The research looked at 3,500 couples who had their first child in 1970 and subsequently stayed together for at least 2 years. It is published in the most recent issue of Feminist Economics.