Federal taxes in the United States - a relatively low-tax country - equal about 20 percent of aggregate income.
Thus, this argument contends, new stadiums do not cause economic growth or lead to increased aggregate income.
The neighborhood with the highest proportion of people on welfare, the analysis found, had lost 14 percent of its aggregate income.
That figure would represent about one-tenth of the neighborhood's aggregate income.
Southside, with a population of nearly 30,000, has an aggregate income of $160 million.
The aggregate income measures the combined income earned by all persons in a particular income group.
"Under prior law," he said, "participation in the program was limited to those households whose aggregate disposable income was less than $16,500 a year."
Under that implausibly rosy scenario, national savings would rise by about $100 billion, or 1.5 percent of aggregate income.
In 1992, the top 400 had aggregate taxable income of $16.9 billion and paid federal taxes of 29.2 percent on that sum.
At the same time, the aggregate income of those in the lowest 20 percent was 4.6 percent, down from 5.5 percent in 1967.