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本课程起止时间为:2020-05-16到2021-04-09
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【作业】CHAPTER 2 The Data of Macroeconomics answer questions

1、 问题:1.If your grandmother receives Social Security, how is she affected by the CPI’s bias?2.Where does the government get the money to pay COLAs to Social Security recipients?  3.If you pay income and Social Security taxes, how does the CPI’s bias affect you?    
评分规则: 【  Answer: she gets a larger COLA(Cost-of-Living Adjustment ) 3分  Answer: From taxpayers (the working class) 3分  Answer: You are paying more for other    people’s grandmothers . 4分
】

【作业】TER 3 National Income： Where It Comes From and Where It Goes answer the questions

1、 问题: Consider two competitive economies that have the same quantities of labor (L = 400) and capital (K = 400), and the same technology (A = 100). The economies of the countries are described by the following Cobb-Douglas production functions: North Economy: Y = A L.3K.7South Economy: Y = A L.7K.31. Which economy has the larger total production? Explain.2. In which economy is the marginal product of labor larger? Explain.3. In which economy is the real wage larger? Explain.4. In which economy is labor’s share of income larger? Explain.
评分规则: 【 5 points for each question
】

【作业】CHAPTER 4 The Monetary System： What It Is, and How It Works answer the questions

1、 问题:1. The Functions of Money and Types of Money2. How the Quantity of Money Is Controlled3. The Role of Banks in the Monetary System
评分规则: 【 5 points for each one
】

【作业】CHAPTER 5 Inflation： Its Causes, Effects, and Social Costs answer the questions

1、 问题:1.In classical macroeconomic theory, the concept of monetary neutrality means that changes in the money supply do not influence real variables. Explain why changes in money growth affect the nominal interest rate, but not the real interest rate. 2.If the demand for money depends positively on real income and depends inversely on the nominal interest rate, what will happen to the price level today, if the central bank announces (and people believe) that it will decrease the money growth rate in the future, but it does not change the money supply today? 3. If there are no unexpected changes in money supply in an economy, can there still be unexpected inflation in the economy?
评分规则: 【 5 points for each one
】

【作业】CHAPTER 6 The Open Economy answer the questions

1、 问题:1. What determines the real exchange rate  in a small open economy with perfect capital mobility, fully employed factors of production, and flexible prices?2. what determines the nominal exchange rate in a small open economy with perfect capital mobility, fully employed factors of production, and flexible prices?3. Why is purchasing power parity called the law of one price? Explain.
评分规则: 【 5 points for each one
】

【作业】Chapter 7 Unemployment and The Labor Market answer the quesitons

1、 问题:1. Reducing the natural rate of unemployment requires reducing the rate of job separation and increasing the rate of job finding. Explain at least one policy that will impact each of these aspects of the natural rate of unemployment.2. If paying efficiency wages higher than market-level should always be a problem for employers, then how is paying efficiency wages helpful for employers?3. If a country has a higher unionization rate, will that lead to a higher unemployment rate also?
评分规则: 【 5 points for each 
】

Chapter 7 Unemployment and The Labor Market multiple choice

1、 问题:A policy that decreases the job separation rate _____ the natural rate of unemployment.
选项：
A:will increase
B:will decrease
C:will not change
D:could either increase or decrease
答案: 【will decrease】

2、 问题:Any policy aimed at lowering the natural rate of unemployment must either __ the rate of job separation or ____ the rate of job finding.
选项：
A:reduce; reduce
B:increase; increase
C:reduce; increase
D:increase; reduce
答案: 【reduce; increase】

3、 问题:Sectoral shifts:
选项：
A:lead to wage rigidity.
B:explain the payment of efficiency wages.
C:depend on the level of the minimum wage.
D:make frictional employment inevitable.
答案: 【make frictional employment inevitable.】

4、 问题:Wage rigidity:
选项：
A:forces labor demand to equal labor supply.
B:is caused by sectoral shifts.
C:prevents labor demand and labor supply from reaching the equilibrium level.
D:increases the rate of job finding.
答案: 【prevents labor demand and labor supply from reaching the equilibrium level.】

5、 问题:The unemployment resulting from wage rigidity and job rationing is called ______ unemployment.
选项：
A:frictional
B:structural

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