Chapter one Introduction: 1.1 Defining Microeconomics 1.2 Economic Theories and Models(经济理论与模型) 1.3 The Mathematics of Optimization(数学最优化) 1.4 Demand-Supply Model Chapter 2 Consumer Behavior and Demand Theory 2.1 Preference and Utility 2.2 Utility Maximization and Choice 2.3 Income and Substitution Effects 2.4 Market Demand and Elasticity