巴罗 宏观经济学：现代观点 第1章(精品).ppt

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1、中级宏观经济学沈凌上海财经大学经济学院http:/ Chapter 1中级宏观经济学答疑时间：周三下午2：005：00，如需其他时 间，请先预约。答疑地点：经济学院楼524室电话：65903483Email:助教：车大为 2Macroeconomics Chapter 1教科书：Robert Barro:Macroeconomics-A Modern ApproachOthers：lG.Mankiw:Macroeconomics 3Macroeconomics Chapter 1评分及进度评分：作业及平时课堂回答问题:30%期中考试:30%期末考试:40%进度：基本每周一章。4Macroeco

2、nomics Chapter 1C h a p t e r 1Thinking About Macroeconomics5Macroeconomics Chapter 1 What can we learn from this course?Macro economicsDetermining the aggregate economic variablesNominal variablesReal variablesreal GDPConsumptionInvestmentExport&ImportUnemployment Rate General price levelMoney supp

3、lyInterest rateExchange rate6Macroeconomics Chapter 1Output,Unemployment,and Prices in U.S.History7Macroeconomics Chapter 1Output,Unemployment,and Prices in U.S.HistoryGrowth rate of real GDP for year tMultiply by 100 to get the growth rate of real GDP in percent per year.8Macroeconomics Chapter 1Ou

4、tput,Unemployment,and Prices in U.S.History9Macroeconomics Chapter 1Output,Unemployment,and Prices in U.S.History10Macroeconomics Chapter 1Output,Unemployment,and Prices in U.S.History11Macroeconomics Chapter 1Output,Unemployment,and Prices in U.S.HistoryInflation rate for year t 12Macroeconomics Ch

5、apter 1Output,Unemployment,and Prices in U.S.History13Macroeconomics Chapter 1A Brief Introduction of Chinese Success(All data without special notes are from Chinese Statistical Yearbook)Nominal 1978:2005:GDP 364.5 Billion RMB 18308 Billion RMB GDP p.c.381 Yuan RMB 14040 Yuan RMB14Macroeconomics Cha

6、pter 1Real GDP15Macroeconomics Chapter 1Growth rate(in RMB)16Macroeconomics Chapter 1Who enjoys?Poverty level:100 yuan p.c.in 1978 250 Million 625 yuan p.c.in 2000 32 Million17Macroeconomics Chapter 1In general,Gini coefficient of the income increases since 1985.18Macroeconomics Chapter 119Macroecon

7、omics Chapter 120Macroeconomics Chapter 1如何去理解我们这个世界？如何去理解我们这个世界？亚里士多德的观察：亚里士多德的观察：鸡毛下落速度远慢于铁球伽利略的实验：伽利略的实验：两个铁球同时落地21Macroeconomics Chapter 1如何去理解我们这个世界？如何去理解我们这个世界？实验的条件是什么？实验的条件是什么？忽略空气浮力模型与假设模型与假设22Macroeconomics Chapter 1Economic ModelsEndogenous variables are the ones that we want the model to

8、 explain.Exogenous variables are the ones that a model takes as given and does not attempt to explain.23Macroeconomics Chapter 1Economic Models24Macroeconomics Chapter 1Economic ModelsThe Coffee Market目标目标 我们想去了解咖啡价格的决定因素。什么因素促使咖啡价格上升？什么因素促使咖啡价格上升？-买的人多了 -西方文化的流行 -咖啡对身体健康作用的发现25Macroeconomics Chapte

9、r 1Economic ModelsThe Coffee Market26Macroeconomics Chapter 1Economic ModelsThe Coffee Market27Macroeconomics Chapter 1Economic ModelsThe Coffee Market28Macroeconomics Chapter 1Economic ModelsThe Coffee Market29Macroeconomics Chapter 1Economic ModelsThe Coffee Market30Macroeconomics Chapter 1Economi

10、c ModelsDisequilibrium a discrepancy between the quantities of labor demanded and supplied.lNew Keynesian model,argues that some prices are sticky and move only slowly to equate the quantities of goods demanded and supplied.31Macroeconomics Chapter 1Economic ModelsEconomic growth modelEquilibrium business-cycle model-basic market-clearing model of economic fluctuations 32Macroeconomics Chapter 1