【单选题】The relative purchasing power parity theory postulates that______.
A.
the equilibrium exchange rate is equal to the ratio of the price level in the two nations
B.
the change in the exchange rate over a period of time should be proportional to the relative change in the price level in the two nations over the same time period
C.
change in the exchange rate over a period of time should be proportional to the absolute change in the price level in the two nations over the same time period
D.
the exchange rate at a period of time should be proportional to the relative prices in the two nations
【简答题】By most reasonable measures, reports of America’s declining power relative to the rest of the world have consistently proved premature. The American economy increasingly seems to be on an upswing. The...