What is happening to the Australian real exchange rate in each of the following situations?

Explain.

a

The Australian nominal exchange rate is unchanged, but prices rise faster in overseas

countries than in Australia.

b

The Australian nominal exchange rate is unchanged, but prices rise slower abroad than

in Australia.

c

The Australian nominal exchange rate declines, and prices are unchanged in Australia

and abroad.

d

The Australian nominal exchange rate declines, and prices rise faster abroad than in

Australia.