You can /try/ to negotiate, but you don't have much leverage after the fact. If your BATNA is going bankrupt, you get into a game of brinksmanship. Should you

You can /try/ to negotiate, but you don't have much leverage after the fact. If your BATNA is going bankrupt, you get into a game of brinksmanship. Should you really have to threaten to declare bankruptcy to settle a hospital bill?