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Suppose a firm in a perfectly competitive market has the cost function c(y)=y2 + 2y +4 Now suppose that there is a sudden inc

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Long-run price is the minimum average total cost and the quantity is the production at the minimum ATC.

It is found by the first differentiation of the ATC and set equal to 0

+ ATC дАТc ду 4 = y? у = 2 - 1-2 = 0

long-run quantity for each firm is 2 units

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