The purchasing power parity theory predicts that changes in the relative price levels of
two countries will affect the exchange rate in such a way that
a. one unit of a nation’s currency will buy more foreign goods than it did before the
change in the relative price levels.
b. one unit of a nation’s currency will buy fewer foreign goods than it did before the
change in the relative price levels.
c. one unit of a nation’s currency will continue to buy the same amount of foreign goods
as it did before the change in the relative price levels.
d. the percentage of depreciation in one currency equals the percentage of appreciation
in the other currency.
Asymmetric information exists when
a. both parties to an exchange have all relevant facts about that exchange.
b. a good that is either nonrivalrous or nonexcludable is being sold on a market.
c. the two parties to an exchange differ in what they know about the good being
exchanged.
d. neither party to an exchange is knowledgeable about the quality of the good being
exchanged.
The Herfindahl index measures the