中級(jí)宏觀經(jīng)濟(jì)學(xué)aggregatedemandi(參考版)
2024-08-25 19:58本頁(yè)面
【正文】 price level as exogenous ? an increase in the money supply lowers the interest rate 4. LM curve ? es from Liquidity Preference Theory when money demand depends positively on ine ? shows all binations of r andY that equate demand for real money balances with supply CHAPTER 10 48 Chapter summary 5. ISLM model ? Intersection of IS and LM curves shows the unique point (Y, r ) that satisfies equilibrium in both the goods and money markets. CHAPTER 10 49 Preview of Chapter 11 In Chapter 11, we will ? use the ISLM model to analyze the impact of policies and shocks ? learn how the aggregate demand curve es from ISLM ? use the ISLM and ADAS models together to analyze the shortrun and longrun effects of shocks ? learn about the Great Depression using our models CHAPTER 10 50 。 investment as exogenous ? fiscal policy has a multiplied impact on ine. 2. IS curve ? es from Keynesian Cross when planned investment depends negatively on interest rate ? shows all binations of r and Y that equate planned expenditure with actual expenditure on goods amp。 CHAPTER 10 27 The IS curve and the loanable funds model S, I r I (r ) r1 r2 r Y Y1 r1 r2 (a) The . model (b) The IS curve Y2 S1 S2 IS CHAPTER 10 28 財(cái)政政策和 IS曲線 ?利用 ISLM 模型觀察財(cái)政政策 (G 和 T )如何影響總需求和產(chǎn)出 . ?利用 Keynesian Cross 觀察財(cái)政政策如何移動(dòng) IS 曲線 … CHAPTER 10 29 Y2 Y1 Y2 Y1 移動(dòng) IS 曲線 : ?G ? 在任意給定的 r上 , ?G ? ?E ? ?Y Y E r Y E =C +I (r1 )+G1 E =C +I (r1 )+G2 r1 E =Y IS1 ?IS移動(dòng)的水平距離為 IS2 …于是， IS曲線向右移動(dòng) . 11 M P CYG? ? ???Y CHAPTER 10 30 流動(dòng)性偏好理論 ?due to John Maynard Keynes. ?一個(gè)簡(jiǎn)單的理論－關(guān)于貨幣供給和貨幣需求如何決定利息率 . ?凱恩斯認(rèn)為：人們之所以要持有貨幣，是因?yàn)槌钟胸泿趴梢允沟萌藗兪址奖愕貜氖律唐泛蛣趧?wù)的交易和債務(wù)的支付。 ： 實(shí)際支出 (產(chǎn)出 ) = 計(jì)劃支出 IS 曲線方程是 : ( ) ( )Y C Y T
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