ECSENOMICS Slope and Elasticity Are Not the Same Thing T28 Figure 4-4 Elasticity of Straight Line En>I ED <I R 2 McGraw-Hilllrwin CopyrightC 2001 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill/Irwin Copyright © 2001 The McGraw-Hill Companies, Inc. All rights reserved. Slope and Elasticity Are Not the Same Thing T-28 Figure 4-4