1.   There is no single point in the income scale where the poverty trap begins to operate.

2.   As you go up the income scale, people do it as a form of entertainment.

3.   At the higher end of the income scale, lawyers, accountants and even investment bankers have been known to complain about drudgery.

4.   At the lower and middle points on the income scale, none of this makes much difference.

5.   At the lowest end of the income scale, surely, are the illegal immigrants.

6.   At the other end of the income scale, many low-income families now receive checks from the federal government at tax time.

7.   A national retail sales tax would create huge incentives for cheating, while falling most heavily on people at the lower end of the income scale.

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

9.   But it seems that it is really only at the very bottom of the income scale that the amount of money people have influences how happy they are.

10.   But overall the biggest rise in working wives has been towards the top end of the income scale.