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Microeconomics
Posted 9 months ago

This graph shows the average total cost (ATC), marginal cost (MC), and average variable cost (AVC) curves for a typical firm in a perfectly competitive market.

Which price is associated with the firm producing in the short run, but exiting the industry in the long run?

Choose 1 answer:
(A) PbP_{b}
(B) PaP_{a}
(c) PcP_{c}
(D) PdP_{d}
(द) PeP_{e}
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Answer from Sia
Posted 9 months ago
Solution
a
Definition of Short Run and Long Run: In microeconomics, the short run is a period during which at least one of a firm's inputs is fixed, while in the long run, all inputs can be varied
b
Short Run Production Decision: A firm will continue to produce in the short run as long as the price (PP) covers the average variable cost (AVC). This means PAVCP \geq AVC
c
Long Run Exit Decision: In the long run, a firm will exit the industry if the price is below the average total cost (ATC). This means P<ATCP < ATC
d
Identifying the Price: On the graph, the price level at which the firm covers its AVC but not its ATC is PaP_{a}. This is because PaP_{a} is above the AVC curve but below the ATC curve
Answer
PaP_{a}
Key Concept
Short Run vs. Long Run Production Decision
Explanation
In the short run, a firm will produce as long as the price covers the AVC, but in the long run, the firm will exit if the price is below the ATC. The price PaP_{a} is above the AVC but below the ATC, indicating the firm will produce in the short run but exit in the long run.

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