In the long run, profits will equal zero in a competitive market because of
A) constant returns to scale.
B) identical products being produced by all firms.
C) the availability of information.
D) free entry and exit.
D
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Assume that you know the following cost information about Fred's widget company: Its fixed cost is $9, and its total variable cost is $6 for 1 unit; $11 for 2; $ 15 for 3; 20 for 4; and 26 for 5 . Given the above information, a. the marginal cost of providing the second unit is $5. b. the total cost of producing 4 units is $29
c. the average total cost of producing five units is $7. d. all of the above are true.
Suppose that a price-discriminating firm divides its market into two segments. If the firm sells its product for a price of $22 in the market segment where demand is relatively less elastic, the price in the market segment whose customers' demand is more elastic will be
a. $22. b. greater than $22. c. less than $22. d. $22 plus average fixed costs