Perfectly elastic Inelastic demand Price Price D uantity Quantity Perfectly elastic Perfectly Inelastic Michael R Baye, Managerial Economics and Business Strategy, 3e. CThe McGraw-Hill Companies, Inc, 1999Michael R. Baye, Managerial Economics and Business Strategy, 3e. ©The McGraw-Hill Companies, Inc. , 1999 Perfectly Elastic & Inelastic Demand Perfectly Elastic D Price Quantity Perfectly Inelastic D Price Quantity