Which of the following is NOT correct concerning perfectly competitive firms in the long run?
A) Long-run economic profits are zero.
B) Price equals minimum long-run average cost.
C) Entrepreneurs earn the opportunity cost of their investment.
D) The opportunity cost of capital is zero.
Answer: D
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Which is NOT part of the definition of capital, as used by economists? It ___.
A. must be manufactured B. is used by firms C. is used up in production D. produces other goods and services
Select the phrase that correctly completes the following statement. "A decrease in the number of manufacturers caused a decrease in the supply of sailboats. As a result,
A) the price of sailboats increased and the demand for sailboats decreased." B) the equilibrium quantity of sailboats increased." C) the price of sailboats increased. The higher price caused the supply of sailboats to increase." D) the price of sailboats increased and the quantity of sailboats demanded decreased."