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1、Intermediate Microeconomics Lee, Junqing, Associate-professor Department of Economics , Nankai University Research Center of Fictitious Economics, Nankai University 2010 Contact to： Email：leejqdoc Email for lecture: nkueconomics Password: 721222 Tel:022-23749027 Office Time： Office Time：Friday 2:30
2、5:30 pm every even number week or by appointment Office Place: No.1414, Main Office Place: No.1414, Main Building of Economics School Building of Economics School Grading Policy: ?Final Test: 70% ?Attendance （20） Homework （10%） References: ?Walter Nicholson. Microeconomic Theory: Basic Principles an
3、d Extension, 9th Edition, South-western, 2005 References: ?Hal Varian, Intermediate Microeconomics: A Modern Approach, 6th Edition, Norton, 2003 References: ?Andrew Schotter ，Microeconomics:A Modern Approach ，higher Education Press，Pearson Education References: Geoffrey A. Jehle , Philip J.Reny， Adv
4、anced Microeconomics Theory, Shanghai University of Finance March , 1992 References: Andreu Mas-Colell, Michael D Whinston ， Jerry R. Green， Microeconomic Theory Shanghai University of Finance Theory ; Policy ?Four kind economist ； ?explain the simple things in a simple way ?explain the simple thing
5、s in a profound way ?explain the profound things in a profound way ?explain the profound things in a simple way Lee, JunqingDepartment of Economics , Nankai University ?Economics：The study of the allocation of scarce resources among alternative end uses ?Microeconomics ：A tool for understanding inst
6、itutions Lee, JunqingDepartment of Economics , Nankai University Structure of contents Part 1 Introduction Ch1 ECONOMIC MODELS Ch2 THE MATHEMATICS OF OPTIMIZATION Chapter 1 ECONOMIC MODELS Lee, JunqingDepartment of Economics , Nankai University Contents ?Theory models ?Verification of economic Model
7、 ?General Feature of economic model ?Development of the economic theory of value ?Modern development Theory models Lee, JunqingDepartment of Economics , Nankai University Map of the Process of Economic Activities Lee, JunqingDepartment of Economics , Nankai University Theoretical Models ?Economists
8、use models to describe economic activities ?While most economic models are abstractions from reality, they provide aid in understanding economic behavior Verification of Economic Models Lee, JunqingDepartment of Economics , Nankai University Verification of Economic Models ?There are two general met
9、hods used to verify economic models: ?direct approachSimon ?establishes the validity of the models assumptions ?indirect approachFriedman ?shows that the model correctly predicts real-world events Lee, JunqingDepartment of Economics , Nankai University Verification of Economic Models ?We can use the
10、 profit-maximization model to examine these approaches ?is the basic assumption valid? do firms really seek to maximize profits? ?can the model predict the behavior of real-world firms? Lee, JunqingDepartment of Economics , Nankai University Verification of Economic Models “Rational Decision Making
11、in Business Organizations ” Herbert A. Simon The American Economic Review, Vol. 69, No. 4 (Sep., 1979), pp. 493-513 http:/nobelprize.org/nobel_prizes/economics/laureates/1978/simon-lecture.pdf Lee, JunqingDepartment of Economics , Nankai University Verification of Economic Models “The Methodology of
12、 Positive Economics” Milton Friedman. “The Methodology of Positive Economics“ In Essays In Positive Economics. Chicago: Univ. of Chicago Press, 1966, pp. 3-16, 30- 43 http:/www.law- Lee, JunqingDepartment of Economics , Nankai University Verification of Economic Models “弗里德曼的实证经济学方法论： 缘起、内容及再解读 弗里德曼
13、的实证经济学方法论： 缘起、内容及再解读” 谢作诗 李平谢作诗 李平 世界经济2007（12） ?什么是理论：内在一致性的形式逻辑体系,不是因为有经 验含义 ?如何证实与证伪理论？ ?假设真实性重要吗？中性 ?怎样检验假设的真实性？假设与实现假设方法的区别 Features of Economic Models Lee, JunqingDepartment of Economics , Nankai University Features of Economic Models ?Ceteris Paribus assumption ?Optimization assumption ?posit
14、ive and normative analysis Lee, JunqingDepartment of Economics , Nankai University Ceteris Paribus Assumption ?Ceteris Paribus means “other things the same” ?Economic models attempt to explain simple relationships ?focus on the effects of only a few forces at a time ?other variables are assumed to b
15、e unchanged during the period of study ?The problem of conduct controlled experiments in economics Lee, JunqingDepartment of Economics , Nankai University Optimization Assumptions ?Many economic models begin with the assumption that economic actors are rationally pursuing some goal ?consumers seek t
16、o maximize their utility ?firms seek to maximize profits (or minimize costs) ?government regulators seek to maximize public welfare Lee, JunqingDepartment of Economics , Nankai University Optimization Assumptions ?Optimization assumptions generate precise, solvable models- Maths techniques ?Optimization models appear to be perform fairly well in explaining reality Lee, JunqingDepartment of Economics , Nankai University Positive-Normative Distinction ?Posi
