1.   And an uninsured person is out of luck.

2.   But as a plan reaches further up the income scale, Gruber said, it spends more to cover each uninsured person.

3.   That means that the injury to an uninsured person may become a public burden if resulting medical bills are paid with taxes or increased insurance rates.

4.   Yet only municipal hospitals offer treatment to every uninsured person who shows up.