WHO DOES THE SPENDING

This is the first I've seen about the distribution of consumer spending by income bracket.

Economy Fitful, Americans Start to Pay as They Go
By PETER S. GOODMAN
Published: February 5, 2008

Some Americans have so much wealth that they can spend enough to fuel much of the economy. The top fifth of American earners generates half of all consumer spending, noted Dean Maki, chief United States economist at Barclays Capital.

If you read the entire article, this implies that ALL of the stimulus package should go to the bottom 80%.