The short-run supply curve of a perfectly competitive firm

A. intersects the minimum point of its short-run average total cost curve but not its short-run average variable cost curve.
B. intersects the minimum point of its short-run average variable cost curve but not its short-run average total cost curve.
C. intersects the minimum point of both its short-run average variable cost and its short-run average total cost curves.
D. intersects the minimum point of its short-run average total cost curve and may or may not intersect the minimum point of its short-run average variable cost curve.


Answer: C

Economics

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If the aggregate price level at time t is denoted by Pt, the inflation rate from time t - 1 to t is defined as

A) ?t = (Pt - Pt - 1)/Pt - 1. B) ?t = (Pt + 1 - Pt - 1)/Pt - 1. C) ?t = (Pt + 1 - Pt )/Pt. D) ?t = (Pt - Pt - 1)/Pt.

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All other things being equal, quantity supplied of agood rises when the price of a good rises, and falls when the price of the good falls

What will be an ideal response?

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Considering the relevant market structures, which is an INCORRECT statement?

A. In any market situation, the number of firms is not very important. B. In monopolistic competition, there is a large number of firms. C. In a perfectly competitive situation, there is an extremely large number of firms. D. In pure monopoly, there is only one firm.

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Which of the following is the BEST example of a natural monopoly?

A) book publisher B) electric utility C) coffee shop D) airline

Economics