Which of the following is not an example of a flow variable?
a. The amount of income that a person earns each month
b. The amount of interest that a savings account earns each week
c. The amount of money in a savings account
d. The amount of taxes that a person pays each year
e. All of these are flow variables
C
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Except during the Great Depression, net investment has always been ________
A) equal to depreciation B) equal to zero C) positive D) negative
Opportunity cost is the difference between the benefits and the costs of a choice
a. True b. False
Other things constant, if the Fed decreased the discount rate,
a. the earnings of the Fed would increase. b. the incentive of commercial banks to borrow from the Fed would be reduced. c. the prime interest rate would automatically decline. d. commercial banks probably would reduce their excess reserves and be more willing to extend additional loans.
The firm will rent more and more land until the rent and the ____ of the last unit of land hired are equal.
A. marginal physical product B. MRP C. output