Links to these studies?
All find and dandy until the main breadwinner gets laid off, or hikes out the door when he/she finds another romance. Which we read about over and over and over on these boards.
Actually there is well publicized information regarding that as it is simple budgeting 101. In some cases, it is economically viable for the dad to stay home. Many people state they "have" to work and have a tough time doing so. Often they are surprised when their choice isn't really the must do they thought it was.
When I was working, after actual expenses and daycare, I made only $1 an hour for that particular job. Trimming the budget by $160 ended up not being a big deal.
I'm not unemployable at this point--but our game plan has always been for me to go back to school for a different career choice should something happen to my husband. And if he decides to leave me for some pop-tart, he will pay dearly for choice and I am okay with that.
However--I will not live in fear that I'll end up poor for choosing to be a SAHM or that I have no self work or job skills simply b/c I stayed home while some burly man brought home the bacon.
And we read about many single income families on the dis who are doing just fine, it isn't exactly the best source to prove a point.