ECSENOMICS Aggregate Supply and Demand Determine the major macroeconomic Variables 1-148 Figure 20-5 real GDP palcy Aggregate upply and demand Price level Aggregate labor ichnology 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. Aggregate Supply and Demand Determine the Major Macroeconomic Variables T-148 Figure 20-5