Women typically stand to lose much more. So yes, we research likely outcomes. Especially women who have stayed home to raise the kids, and literally made it possible for the husband to make it as far in his career as he has, deserves at least half of what he's earned (more if she's getting sole custody of the kids) while he's relied on her free domestic labor.

Men who contribute only money to the household shouldn't be surprised when they're required to continue to do so even after she leaves.