If mining companies are indifferent between operating and not operating a quarry, that quarry is

a. discounted.
b. usurious.
c. marginal.
d. nonexcludable.

c

Economics

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In Fisher's model of the determination of the rate of return, the price of a "future good" is:

a. less than the price of a current good if the interest rate is negative. b. equal to the price of a current good if the interest rate is positive. c. greater than the price of a current good if the interest rate is positive. d. less than the price of a current good if the interest rate is positive.

Economics

In the short run the firm has at least one fixed input

a. True b. False Indicate whether the statement is true or false

Economics