ECSENOMICS Effects of Supply Shocks 1-151 Figure 20-8 otential output AS AD Real gDP McGraw-Hilllrwin Copyright C 2001 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill/Irwin Copyright © 2001 The McGraw-Hill Companies, Inc. All rights reserved. Effects of Supply Shocks T-151 Figure 20-8