[uoaei]

It would certainly replace unemployment benefits but certainly not health- and family-based welfare.

Though the children could receive something like $800/month for the first, $600/month for the second, and so on up to the fourth which is compensated for $200/month. Anything above that will not be compensated. The diminishing returns will discourage people from having more kids just to have more money, and also will appease those who are afraid of "welfare queens" who only have kids to get money from the state. We know that the contingency of people actually doing that is practically nonexistent but it will assuage those who are still concerned about it.