From our experience in the US, the birth is nothing compared to the financial drain of the other expenses. And at this age, childcare dwarfs all the other child-related expenses.

We have great insurance and don’t rely on family for childcare though, so the math is very very different for someone with “free” familial childcare and no/lousy insurance…

I don’t know how compensation works in academic administration, but if there’s any vesting going on then you could “take a pay cut” but end up making more due to previous compensation vesting.

Certainly possible for public companies, but again, unsure if that could be the case for a university president…