Purchasing Power Parity (PPP) implies that
a. In the long run, a forward exchange rate can purchase an interest rate swap for the same price as the spot rate.
b. In the medium run, a forward exchange rate can purchase an interest rate swap for the same price as the spot rate.
c. The short run, a given amount of money can buy the same amount of goods, whether they are purchased at home or abroad.
d. the long run, a given amount of money can buy the same amount of goods, whether they are purchased at home or abroad.