Lerner Indices markup factors Industry Lerner Index Markup factor Food 0.26 1.35 Tobacco 0.76 4.17 Textiles 0.21 127 apparel 0.24 1.32 Paper 0.58 2.38 Chemicals 0.67 3.03 Petroleum 0.59 2.44 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 Lerner Indices & Markup Factors Industry Lerner Index Markup Factor Food 0.26 1.35 Tobacco 0.76 4.17 Textiles 0.21 1.27 Apparel 0.24 1.32 Paper 0.58 2.38 Chemicals 0.67 3.03 Petroleum 0.59 2.44