北京大学：《中级微观经济学》课程教学资源（英文讲稿）01 Introduction 绪论、Consumer Behavior and Demand Theory（消费者行为与需求理论）

Chapter one includes: 1.1 Defining microeconomics 12 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 1 10

Chapter 1 10 Chapter one includes: „ 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

Outline of This Chapter (本章概述) This chapter mainly provide some background for the study of microeconomics What is microeconomics The general approach used in microeconomics How economists devise and verify simple models of economic acⅳvity Positive analysis and normative analysis The basic Supply-Demand Model Several mathematical methods that can be used to solve maximization(and minimization) problem Chapter 1

Chapter 1 11 Outline of This Chapter (本章概述 ) „ This chapter mainly provide some background for the study of microeconomics. „ What is microeconomics „ The general approach used in microeconomics. „ How economists devise and verify simple models of economic activity. „ Positive Analysis and Normative Analysis „ The basic Supply-Demand Model „ Several Mathematical Methods that can be used to solve maximization (and minimization) problem

Readings about this chapter Nicholson: Chapter 1, 2, P1-61 Zhang Chapter 1, P1-23 Chapter 1

Chapter 1 12 Readings about this chapter „ Nicholson: Chapter 1,2, P1-61 „ Zhang: Chapter 1,P1-23

Chapter one includes: 1.1 Defining microeconomics 1.2 Economic Theories and Models 1 3 The Mathematics of Optimization 1.4 Demand-Supply Model Chapter 1

Chapter 1 13 Chapter one includes: „ 1.1 Defining Microeconomics „ 1.2 Economic Theories and Models „ 1.3 The Mathematics of Optimization „ 1.4 Demand-Supply Model

1.1 Defining microeconomics economics The study of the allocation of scarce resources among alternative end uses Scarcity (稀缺性) Choice Economics Alternative end uses 可选择的最终用途 Chapter 1 14

Chapter 1 14 1.1 Defining Microeconomics „ Economics „ The study of the allocation of scarce resources among alternative end uses Scarcity (稀缺性 ) Alternative end uses 可选择的最终用途 Choice Economics