pt. 1 What is economics? -- Introduction. The ordinary business of life -- Chap. 1 First principles -- Chap. 2 Economic models: trade-offs and trade -- pt. 2 Supply and demand -- Chap. 3 Supply and demand -- Chap. 4 The market strikes back -- Chap. 5 Elasticity -- pt. 3 Individuals and markets -- Chap. 6 Consumer and producer surplus -- Chap 7. Making decisions -- pt. 4 The producer -- Chap. 8 Behind the supply curve: inputs and costs -- Chap. 9 Perfect competition and the supply curve -- pt. 5 The Consumer -- Chap. 10 The rational consumer -- Chap. 11 Consumer preferences and consumer choice. pt. 6 Markets and efficiency -- Chap. 12 Factor markets and the distribution of income -- Chap. 13 Efficiency and equity -- pt. 7 Market structure: beyond perfect competition -- Chap. 14 Monopoly -- Chap. 15 Oligopoly -- Chap. 16 Monopolistic competition and product differentiation -- pt. 8 Extending market boundaries -- Chap. 17 International trade -- Chap. 18 Uncertainty, risk and private information -- pt. 9 Microeconomics and public policy -- Chap. 19 Externalities -- Chap. 20 Public goods and common resources -- Chap. 21 Taxes, social insurance, and income distribution -- pt. 10 New directions for markets -- Chap. 22 Technology, information goods, and network externalities.