考虑这样一个国家。它只有两种产品：进口产品和本国产品。本国产品的价格为20，外国产品的外币价格为

2，汇率为3(用本币单位数表示的每单位外币)，本国产品占总消费的80％。 a．计算该国的消费品价格指数； b．如果本国产品的价格上涨1倍，消费品价格指数会发生什么变化？ c．如果进口产品价格上涨1倍，消费品价格指数会发生什么变化？ d．如果汇率贬值为4。消费品价格指数会有什么变化？ Consider a country with only two goods：impoas and a domestic good．The price of the domestic good is 20．The price of the foreign good in terms of foreign currency is 2．The exchange rate is 3(in units of domestic currency per unit of foreign currency)．The domestic good represents 80 percent of total consumption． a．Calculate the consumer price index for this economy． b．What happens to the consumer price index if the price of the domestic good．doubles？ C．What happens to the consumer price index if the price of the imported good doubles？ d．What happens to the consumer price index if the exchange rate depreciates to 4？