巴罗宏观经济学：现代观点第1章ppt课件

1、中级宏观经济学沈凌上海财经大学经济学院/teacherweb/users/shenling/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： 65903483: 助教： 车大为 dwcheyahoo 教科书：Robert Barro: Macroeconomics - A Modern ApproachOthers：G. Mankiw: Macroeconomics 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

2、%进度： 基本每周一章。C h a p t e r 1Thinking About Macroeconomics What can we learn from this course?Macro economicsDetermining the aggregate economic variablesNominal variablesReal variablesreal GDPConsumptionInvestmentExport & ImportUnemployment Rate General price levelMoney supplyInterest rateExchange rat

3、eOutput, Unemployment, and Prices in U.S. HistoryOutput, 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.11tttYYYOutput, Unemployment, and Prices in U.S. HistoryOutput, Unemployment, and Prices in U.S. H

4、istoryOutput, Unemployment, and Prices in U.S. HistoryOutput, Unemployment, and Prices in U.S. HistoryInflation rate for year t 11tttPPPOutput, Unemployment, and Prices in U.S. HistoryA Brief Introduction of Chinese Success (All data without special notes are from Chinese Statistical Yearbook) Nomin

5、al 1978: 2019: GDP 364.5 Billion RMB 18308 Billion RMB GDP p.c. 381 Yuan RMB 14040 Yuan RMBReal GDPGrowth rate ( in RMB )Who enjoys ?Poverty level: 100 yuan p.c. in 1978 250 Million 625 yuan p.c. in 2000 32 MillionIn general, Gini coefficient of the income increases since 1985. 如何去理解我们这个世界？如何去理解我们这个

6、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鸡毛下落速度远慢于铁球铁球伽利略的实验：伽利略的实验： 两个铁球同时落地两个铁球同时落地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？ 忽略空气浮力忽略空气浮力模型与假设模型与假设Economic ModelsEndogenous variables are the ones that we want the model to explain.Exogenous variables are the ones that a model takes as given and does not att

7、empt to explain.Economic ModelsEconomic ModelsThe Coffee Market目的目的 我们想去了解咖啡价格的决定因素。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？ -买的人多了买的人多了 -西方文化的流行西方文化的流行 -咖啡对身体健康作用的发现咖啡对身体健康作用的发现Economic ModelsThe Coffee MarketEconomic ModelsThe Coffee MarketEconomic ModelsThe Coffee MarketEconomic ModelsThe Coffee MarketEconomic ModelsThe Coffee MarketEconomic ModelsDisequilibrium a discrepancy between the quantities of labor demanded and supplied.New Keynesian model, argues that some prices are sticky and move only slowly to equate the quantities of goods demanded and supplied