中級(jí)宏觀經(jīng)濟(jì)學(xué)上海財(cái)經(jīng)大學(xué)經(jīng)濟(jì)學(xué)院沈凌18international2(52)-文庫吧資料
2024-08-05 03:44本頁面
【正文】 rchasingPower Parity ? The PPP Condition and the Real Exchange Rate ? The . price level, P, is measured in dollars per unit of goods. We denote the Chinese price level (or foreign price level) by Pf , measured in RMB per unit of goods. ? Assume that the goods produced and used in both countries are physically identical. ? We also ignore any transportation or other transaction costs for buying and selling goods in the two countries. Macroeconomics Chapter 18 13 PurchasingPower Parity ? The PPP Condition and the Real Exchange Rate 1/P = ε(1/Pf) ? quantity of goods that can be bought in . = quantity of goods that can be bought in China Macroeconomics Chapter 18 14 PurchasingPower Parity ? purchasingpower parity ε = Pf/P ? nominal exchange rate = ratio of foreign price to home price Macroeconomics Chapter 18 15 PurchasingPower Parity ? The PPP Condition and the Real Exchange Rate ? purchasingpower parity (PPP). This condition means that the purchasing power in terms of goods for dollars (or RMB) is the same regardless of whether households buy goods in the United States or China. Macroeconomics Chapter 18 16 PurchasingPower Parity ? 什么時(shí)候 PPP Condition 不一定成立？ ? 各國(guó)產(chǎn)品不一樣。 ? （例如，住房） Macroeconomics Chapter 18 17 PurchasingPower Parity ? The PPP Condition and the Real Exchange Rate ? real exchange rate= (ε/Pf) / (1/P) ? real exchange rate is the ratio of goods that can be bought in China (say, with $1) to goods that can be bought in the United States (also with $1). Macroeconomics Chapter 18 18 Macroeconomics Chapter 18 19 PurchasingPower Parity ? GDP的國(guó)際比較 ? 中國(guó) 2022年的名義人均 GDP是 12336元 ? 按照 1： 8計(jì)算，折合 1542美元 ? 這樣的計(jì)算有什么問題？ ? 如果考慮 PPP呢？ ? 這樣的計(jì)算又有什么問題？ Macroeconomics Chapter 18 20 PurchasingPower Parity ? The PPP Condition in long run ε = Pf/ P ? real exchange rate= ε/(Pf/P) ? 1 ? 預(yù)測(cè)一下人民幣匯率的走勢(shì)： ? 1 ? ε下降 ? Pf/P上升 Macroeconomics Chapter 18 21 PurchasingPower Parity ? growth rate of Pf/P = ?Pf/Pf ? ?P/P ? growth rate of Pf/P = πf ? π ? growth
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