An appreciation of the U.S. dollar Olowers, increases O increases, lowers O lowers, lowers O increases, increases Question 50 Which of the following statements is true? O consumption + saving = disposable income O consumption + saving = personal income O consumption-investment disposable income O consumption - saving personal income Question 51 Investment is O the purchasing of stocks and mutual funds. O spending by businesses on things which can be used to produce goods and services in the future. O the production of goods for immediate satisfaction. O goods bought by households. Question 52 Keynes argued that an economy could be in equilibrium when the economy was O operating either at full productive capacity or at less than full capacity. O operating with some unutilized productive capacity. O operating maximum potential capacity. O trying to operate at some output level beyond its potential capacity. the price of U.S. imports, and the price of U.S. exports.