Which of the following pairs is the most likely to exhibit an inverse relationship?
a. The amount of time you study and your grade point average.
b. People's annual income and their expenditure on personal computers.
c. Baseball players' salaries and their batting averages.
d. The price of a concert and the number of tickets people purchase.
d
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A decrease in interest rates caused by a change in the price level would cause a(n) ________.
A. increase (or shift right) in aggregate demand B. decrease in the quantity of real output demanded (or movement up along AD) C. increase in the quantity of real output demanded (or movement down along AD) D. decrease (or shift left) in aggregate demand
Refer to the table above, which gives five points on a nation's PPF. The opportunity cost of increasing the production of Y from 16 to 36 units is a total of
A) 1/5 unit of X per unit of Y. B) 2/5 unit of X per unit of Y. C) 1/2 unit of X per unit of Y. D) 3/5 unit of X per unit of Y.
In Figure 20.2, if Aggregate Demand does not change, the increase in Real GDP will be accompanied by 
A. lower real wages. B. no change in the price level. C. a lower price level. D. a higher price level.
The many types of pollution do not include ________ pollution.
A. price B. sound C. air D. water