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Question
Macroeconomics
Posted 5 months ago

If profit is as high as possible and normal economic profits are being earned, which of the following is true?

Choose 1 answer:
(A) P=ATC(Q)P=A T C(Q) and MR(Q)>MC(Q)M R(Q)>M C(Q)
(B) P>ATC(Q)P>A T C(Q) and MR(Q)=MC(Q)M R(Q)=M C(Q)
(C) P=ATC(Q)P=A T C(Q) and MR(Q)=MC(Q)M R(Q)=M C(Q)
(D) P>ATC(Q)P>A T C(Q) and MR(Q)>MC(Q)M R(Q)>M C(Q)
(E) P<ATC(Q)P<A T C(Q) and MR(Q)<MC(Q)M R(Q)<M C(Q)
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Answer from Sia
Posted 5 months ago
Solution
a
Profit Maximization Condition: In a perfectly competitive market, profit maximization occurs where marginal revenue (MR) equals marginal cost (MC), i.e., MR(Q)=MC(Q)MR(Q) = MC(Q)
b
Economic Profits: Economic profits are positive when price (P) exceeds average total cost (ATC), i.e., P>ATC(Q)P > ATC(Q). When P=ATC(Q)P = ATC(Q), the firm is earning normal profits, which means zero economic profits
Answer
(B) P>ATC(Q)P > ATC(Q) and MR(Q)=MC(Q)MR(Q) = MC(Q)
Key Concept
Profit Maximization and Economic Profits
Explanation
For profit maximization with normal economic profits, the price must be greater than average total cost, and marginal revenue must equal marginal cost.

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