Economic profits are zero if:
A. Implicit costs equal explicit costs.
B. Economic depreciation equals zero.
C. Total revenue equals the sum of all opportunity costs.
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In a developed economy, the primary source of growth in potential GDP is:
A. Capital investment.
B. Labor supply growth.
C. Technology advances.
As a firm employs additional units of either labor or capital in its production process, holding the quantity of the other input constant, the firm is most likely to experience diminishing returns to:
A. Labor only.
B. Capital only.
C. Either labor or capital.
An oligopolistic industry has:
A. Few barriers to entry.
B. Few economies of scale.
C. A great deal of interdependence among firms.
Which of the following statements most accuratelydescribes the shape of the average fixed cost curve?
A. It becomes relatively flat at large output levels.
B. It is always below the average variable cost curve.
C. It intersects the marginal cost curve at its minimum.