By charging the equilibrium price for shared rides as opposed to the government-regulated price charged by traditional taxi companies, Uber has

Perishable goods such as tomatoes and milk are never used as a form of money, primarily because they cannot function as:

a. a store of purchasing power. b. a means of payment. c. a standard of deferred payment. d. a medium of exchange. e. a unit of account.

Which of the following could increase the supply of dollars in the foreign exchange market?

a. a lower inflation rate in foreign countries than in the U.S. b. lower interest rates in foreign countries than in the U.S. c. higher prices in the United States d. a depreciation of other currencies e. an appreciation of the dollar