| Less eligibility |
A rule from the British poor laws: relief must always be worse than the worst job, or people will choose relief. Campbell says it still organizes American social assistance |
| Asset test |
To qualify, you must have almost no savings. In California, $3,150 for Dave and Marcella. The test doesn't just screen applicants; it forbids recipients from ever saving |
| Phaseout |
A benefit that shrinks gradually as you earn more. SSI drops $1 for every $2 earned |
| Cliff |
A benefit that disappears entirely at one dollar of income. Medicaid and CHIP work this way |
| Effective marginal tax rate |
Of each extra dollar you earn, the share you lose to taxes plus lost benefits. Campbell's figures: 55 to 80 cents on the dollar for the poor |
| Take-up rate |
The share of eligible people actually enrolled. Varies by state even when the benefit is federal |
| Federal match (FMAP) |
For Medicaid, Washington pays part of each state dollar: $2.85 per state dollar in the poorest states, $1.00 in the richest. The state still has to find its dollar |
| "Laboratories of democracy" |
Justice Brandeis's phrase: states experiment, and good ideas spread. The standard defense of letting states set policy |