Suppose that a firm operating in perfectly competitive market sells 400 units of output at a price of $4 each. Which of the following statements is correct? (i) Marginal revenue equals $4. (ii) Average revenue equals $100. (iii) Total revenue equals $1,600
a. (i) only
b. (iii) only
c. (i) and (iii) only
d. (i), (ii), and (iii)
c
Economics
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The classical notion of monetary neutrality is consistent both with a vertical long-run aggregate-supply curve and with a vertical long-run Phillips curve
a. True b. False Indicate whether the statement is true or false
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Foreign households and institutions hold approximately ________ percent of the U.S. national debt.
A. 45 B. 33 C. 8 D. 50
Economics
Fill out the table and answer the question below. 
The marginal product of the fifth unit of labor is
A. 10. B. 4. C. -2. D. 16.
Economics
If an exporter wants to limit the effect of possible changes in the exchange rate on the value of her exports, then she can adopt a strategy known as
A) floating. B) speculating. C) hedging. D) appreciating.
Economics