[经济学]北大微观经济学课件英文版ch1 Intrduction.ppt

[经济学]北大微观经济学课件英文版ch1 Intrduction.ppt

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[经济学]北大微观经济学课件英文版ch1 Intrduction

中级微观经济学 中级微观经济学 Fall, 2004 介绍 结构 教员与助教 要求 教学大纲 例子: market for apartments WHO AM I? 赵耀辉 北京大学中国经济研究中心 Office: 504 CCER ?Phone: 6275-4803 Email: yhzhao@ Office Hours: Wednesdays 4:00-5:00pm 助教 廖志鹏, zpliao@ 张沈伟,jeswest@ 赵洪春 ,zhaohongchun@ Office Hours: Tuesdays 4:00-5:00pm 教材 Intermediate Microeconomics: A Modern Approach (Sixth Edition) by Hal R. Varian W. W. Norton, 2003 作业 几乎每次课后都有作业 周一的作业在周四课前交 周四的作业在周一课前交 课后领回作业 不交或迟交作业将不得分 考试 两次测验,一次期中,一次期末 注意考试日期 测验和期中考试只考阶段内容 期末考试将考全部课程内容 除极特殊情况以外,缺考者得零分 没有补考或者缓考 成绩 家庭作业: 20% 测验: 20% 期中考试: 20% 期末考试: 40% Is Economics Useful? Becoming a thinker Changes the way you view life and understand problems An all round major Economics Graduates Jobs for Economists Business economists Government economists Academic economists Microeconomics Theory Applications Labor economics Economics of education Development economics Agricultural economics Industrial organizations Health economics …… Course Outline Consumer theory (1-15) Producer theory (18-27) Market equilibrium (16-17, 30-32) Special topics on equilibrium Economic Modeling What causes what in economic systems? Which variables are determined outside the model (exogenous) Which variables are to be determined by the model (endogenous) At what level of detail shall we model an economic phenomenon? Modeling the Apartment Market Central question: How are apartment rents determined? Suppose (simplifying assumptions) apartments are close or distant, but otherwise identical distant apartments rents are exogenous and known many potential renters and landlords, i.e., competitive market A Normative Question Will the allocation of apartments be desirable? Need to know: Who will rent close apartments? At what price? Two Principles in Economics Optimization: Each person tries to choose the best alternative available to him or her. Equilibrium: Market price adjusts until quantity demanded equals quantity supplied. Modeling Individual Demand Discrete commodity: 0 or 1 unit Choose either

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