Again, that some estimates are given in papers doesn’t mean they are even roughly correct. But if they are—then no, that scenario is not suicide. There are some nations now which have lower GDP per capita than USA had two centuries ago.
As for defense—well, that definitely wouldn’t be a problem. Who and why will be willing to invade a big and very poor country, leaders of which claim they still have some nukes in reserve?
Again, that some estimates are given in papers doesn’t mean they are even roughly correct. But if they are—then no, that scenario is not suicide. There are some nations now which have lower GDP per capita than USA had two centuries ago.
As for defense—well, that definitely wouldn’t be a problem. Who and why will be willing to invade a big and very poor country, leaders of which claim they still have some nukes in reserve?