ECSENOMICS A Consumption Function for the United States 1966-1999 1-163 Figure 22-7 2,000 4.00 5,000 6,O00 Disposable income (billions of 1996 dollars) McGraw-Hilllrwin Source: U.S. Department of CommerceMcGraw-Hill/Irwin Copyright © 2001 The McGraw-Hill Companies, Inc. All rights reserved. A Consumption Function for the United States, 1966-1999 T-163 Figure 22-7 Source: U.S. Department of Commerce