A Cornell University study found that when a fixed portion of food was eaten from a large plate, diners felt they had been give a smaller than average portion, so ate more.

There are concerns about the liquidity of this paper, but the yield pickup is substantial, 1.05 percentage points more than U. S. Treasurys on the fixed-rate portion of the Citi issue.

The reason: Fixed interest expenses are absorbing a bigger and bigger share of state budgets, leaving a shrinking portion for everything else.