Assume that a country with an open economy has a fixed exchange-rate system and that its currency is currently overvalued in the foreign exchange market. Which of the following must be true at the official exchange rate? a. The quantity of the country's currency supplied is less than the quantity demanded.
b. The quantity of the country's currency supplied exceeds the quantity demanded.
c. the demand curve for the country's currency is horizontal.
d. The supply curve for the country's currency is horizontal.
e. The domestic interest rate is equal to the interest rate in that of the world.

b. The quantity of the country's currency supplied exceeds the quantity demanded.

Explanation:

A country operating a fixed-exchange rate system would be actively trading its currency to ensure that it remains at a certain rate. If the currency is overvalued, it means that the currency is actually weak and is being propped up by the company's actions in the forex market.

A reason for the weakness would be that the supply is higher than the demand of the currency which means that, as per the rules of supply and demand, the currency is trading at a lower price, i,e., it is weak.

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