ECSENOMICS History of Top Marginal Tax Rate in the United states T-122 Figure 16-5 100 70 60 50 30 E 20 1900 1920 1940 1960 1980 2000 Ye McGraw-Hilllrwin Source: U.S. Department of the Treasury.McGraw-Hill/Irwin Copyright © 2001 The McGraw-Hill Companies, Inc. All rights reserved. History of Top Marginal Tax Rate in the United States T-122 Figure 16-5 Source: U.S. Department of the Treasury