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1、名师总结精品知识点宏观知识点总结Chapter26 the exchange rate and balance of payment 1. 名义利率和实际利率的概念，要区分；二者的关系，那个公式。明白一国货币升值表示什么意思。 （掌握）2. traded weighted index (了解) 3. 对一国货币的供给和需求的分析一，供给和需求决定汇率， 要知道哪些 因素影响一国货币的供给和需求，相应的曲线在图上会怎么移动（重点） 。二，对一种货币的需求是对另一种货币的供给，要清楚某一种货币供给需求变化后，另一种货币的供给和需求会如何变化。（重点）4. 利率平价和购买力平价 （掌握）5. int
2、ernational trade (了解)6. 汇率政策 。理解什么是浮动汇率、固定利率和crawling peg。注意区分。 （掌握）Chapter 27 (AD-AS model) The main purpose of AD-AS model: explain changes in real GDP and price level, which leads to business cycle fluctuations around potential GDP. 1、区分宏观中的长短期宏观中的长短期主要以价格行为加以区分：在长期中，价格是具有伸缩性的，价格水平能够调整到充分就业的均衡状态；
3、在短期中，价格是具有粘性的（ sticky） ，实际 GDP 可能等于、大于、小于潜在GDP. 2、总供给（ Aggregate Supply ）精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 11 页名师总结精品知识点2.1总供给是描述实际GDP 供给量与价格水平的关系。The quantity of labor employed The quantity of physical, human capital Quantity of real GDP supplied The state of technology AS Price
4、level 2.2总供给关系取决于时间范围企业的产品服务价格具有伸缩性-长期总供给曲线企业的产品服务价格具有黏性短期总供给曲线2.2.1长期总供给（ long-run aggregate supply）a、In the long run, the money wage rate changes in step with the price level; b、Try to explain why the LAS curve is vertical.（重点）the price level change by the real wage rate the money wage the same pe
5、rcentage does not change rate at the full-employment level real GDP=potential GDP potential GDP is independent of the price level LAS curve is vertical 2.2.2短期总供给（ short-run aggregate supply）a、in the short run, the money wage rate, the prices of other resources and potential GDP remain constant; b、T
6、ry to explain why the SAS curve slopes upward. In the short run, when the price level rises real wage rate declines the cost of production decreases employ more labors increases production(real GDP) 黏性工资模型在超短期中，总供给曲线是水平的。外生变量内生变量精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 11 页名师总结精品知识点2.3总供
7、给的变动An increase in the Full-employment quantity of labor An increase in the changes in both of LAS and SAS quantity of capital potential GDP curve shift An advance in technology changes in AS Departures from full-employment changes in Expectations about the money wage only SAS curve shifts inflation
8、 rate 3、总需求（ Aggregate demand ）3.1 总需求是描述实际GDP 需求量与价格水平的关系Basic formula: Y （实际 GDP 需求量） = C+I+G+(X-M) aggregate Price level demand 3.2 总需求曲线Try to explain why the AD curve slopes downward. Method 1 Price level real wealth saving Wealth Effectcurrent consumption AD curve slopes downward 精选学习资料 - - -
9、- - - - - - 名师归纳总结 - - - - - - -第 3 页，共 11 页名师总结精品知识点AD Intertemporal substitution Substitution International priceEffcts Method 2 To analysis the relationship between the price level and real GDP by using the quantity theory of money. 3.3影响总需求变动的因素Expectation ，Fiscal and monetary policy ，The world
10、economic （这部分的变化分析要求理解掌握，课本上有具体的总结解释）4、短期均衡与长期均衡短期均衡： SAS=AD（attention: the money wage rate is fixed）长期均衡：货币工资率的不断调整使得经济处于充分就业状态。（重点）In the long-run equilibrium, potential GDP determines real GDP, and potential GDP and AD determine the price level. 凯恩斯主义：强调短期均衡；新古典主义：强调长期均衡5、AS-AD 模型的运用（重点）5.1 解释经济增
11、长，经济增长的过程中伴随通货膨胀5.2解释经济周期（短期经济波动）5.3总需求变动带来的短期和长期效应（通胀缺口和萧条缺口）5.4 总供给负方向波动会引发滞胀，思考可以通过何种调整可以使经精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 11 页名师总结精品知识点济回归充分就业状态。6、三大宏观经济学的思想流派古典主义：经济能够自我调节，回归充分就业状态（长期）；新古典认为技术的变化是造成经济波动的主要原因。凯恩斯主义：强调政府干预，经济不能自身调节货币主义：在货币政策稳定且货币稳定增长的情况下，经济能够自我调节，处于充分就业的均衡状态C
12、hapter 28 Expenditure Multipliers: The Keynesian Model 凯恩斯模型前提假设 ：1. Price-level is fixed 2. Aggregate demand determines real GDP Aggregate planned expenditure: C+I+G+X-M （注意均为 planned的情况而非实际情况， C,M 有部分是自发性的 Consumption and saving a. Factors influence consumption and saving: 1. Disposal income 增加（减少
13、），c,s增加（减少）；2. Real interest rate 增加（减少），c 减少（增加），s增加（减少）；3. Wealth增加（减少），c 增加（减少），s减少（增加）；4. Expected future income 增加（减少） ，c 增加（减少），s减少（增加）b. Consumption, saving functions P673 c. MPC, MPS, MPI: MPC+MPS=1, MPI=changes in investment/ changes in real GDP 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -
14、第 5 页，共 11 页名师总结精品知识点 Aggregate Planned Expenditure a. Autonomous expenditure: I, G, X, 部分 C, M Induced expenditure: C, M 计算autonomous expenditure: real GDP=0时 的 aggregate planned expenditure b. AE Curve P677 c. Actual aggregate expenditure= Real GDP Aggregate planned expenditure Real GDP （inventori
15、es的作用）Aggregate planned expenditureReal GDP, inventories 减少；Aggregate planned expenditureReal GDP, inventories 增加。d. Equilibrium expenditure: Aggregate planned expenditure= Real GDP Multiplier Multiplier= changes in equilibrium expenditure/ changes in autonomous expenditure = Y/ A = 1/(1- the slope
16、of AE) Multiplier1 的原因： autonomous expenditure的增加会带来 real GDP增加，进而增加 induced expenditure 。当无 income tax, imports时，multiplier= 1/(1-MPC)=1/MPS 当有 income tax, imports时，multiplier1 b. when government expenditure increases, government borrowing increase and raises the real interest rate. With the higher
17、 cost of borrowing, investment decreases, which will partly offsets the increase in government spending. If this were the only consequence of the increase in government expenditure, the multiplier would be 1. c The actual multiplier depends on which above effect is stronger. (3)The tax multiplier is
18、 the quantity effect a change in taxes on aggregate demand 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 10 页，共 11 页名师总结精品知识点Chapter 31 Monetary Policy 1、掌握 monetary policy的 objective Maximum employment 、Moderate long-term interest rates、Stable prices( 主要目标）2、如何 conduct monetary policy ? Fed通过 open
19、 market operation首先影响 federal funds rate，接着影响interest rate ，然后影响 quantity of money ，最后影响 aggregate demand. 注意： federal funds rate 是 bank持有 reserve的 cost 具体的 process of transmission 见书上 759 3、Fed如何 fight recession/inflation? 当经济处于 recession的时候， Fed会降低 federal funds rate 使得monetary base 增加，从而使得 intere
20、st rate减少，间接导致 planned expenditure增加， 由于乘数效应，real GDP会增长到 potential GDP. （书上 762-763这 4 个图要掌握）当经济处于 inflation 的时候， Fed会增加 Fed funds rate使得monetary base 减少，从而使得 interest rate增加，间接导致 planned expenditure减少， 由于乘数效应，real GDP会减少到 potential GDP. （书上 764-765这 4 个图要掌握） . 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 11 页，共 11 页
