A monopolist faces a marginal revenue curve that is below the demand curve, resulting in the production of an allocatively efficient quantity

The United States, as a bilateral aid donor

a. ranks high in amount and high as a percentage of GDP b. ranks low in amount and high as a percentage of GDP c. ranks high in amount and low as a percentage of GDP d. ranks low in amount and low as a percentage of GDP e. is not ranked because all its aid is provided through the World Bank

Which of the following is not true regarding "exchange rate indexes?"

A) They will all show the same general trends (i.e., appreciation or depreciation). B) Neither economic theory nor practice gives a clear indication of which exchange rate is best. C) For short-term movements, there can be large differences across exchange rate indexes. D) Exchange rate indexes are used to measure the average value of a currency relative to several other currencies.