假设国家实施固定汇率制，并且它的实际汇率被低估。

兑换Macroland元数量表示的实际汇率是多少？ B．假设当Funland总体价格指数上升到150时，实际汇率上升到每Funland元兑换25Macroland元。假设名义汇率不变，那么Macroland的总体价格指数是多少？ C．假设Funland总价格指数为150，Macroland为125。如果名义汇率上升到每Funland元兑换25Macroland元，那么真实汇率是多少？ D．如果以Macroland元表示的Funland元实际汇率上升，并保持其他变量不变，那么Macroland的进出口水平会发生什么变化？

充它的外汇储备。在什么样的情况下你会不情愿将款贷给这个国家？

政策能达到这个目标？也请描述政策对价格水平的影响。 a．A国实施固定汇率制，总供给为基本凯恩斯学派情形。 b．B国实施弹性汇率制。总供给为极端凯恩斯学派情形。 c．C国为固定汇率制。总供给为古典派情形。 d．D国为弹性汇率制。总供给为古典派情形。 Assume that the governments of countries A，B，C，and D have decided to use either monetary or fiscal policy to increase aggregate demand and output．Which policy will achieve this objective for each country？Describe also the effects of the policies on the price level． a．Country A has a fixed exchange rate and the aggregate supply is represented by the normal Keynesian case． b．Country B has a flexible exchange rate and the aggregate supply is represented by the extreme Keynesian case． C．Country C has a fixed exchange rate and the aggregate supply is represented by the classic case． d．Country D has a flexible exchange rate and the aggregate supply is represented by the classic case．

A.实际汇率会上升；

B.净出口会增加；

C.对外投资会增加；

D.实际汇率不变。