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The long-run supply curve for a perfectly competitive, constant-cost industry O is horizontal at minimum ATC. O is upward-sloAs more firms enter the market: O the short-run market demand curve shifts to the left. O the short-run market supply curve sWhich of the following is false for a firm in perfect competition? O Average revenue is greater than marginal revenue. O Prof

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Answer #1

1) Ans is A. Long run supply curve depends on the type of industry. In a constant cost industry, long run supply curve is horizontal at minimum of AC.

2)ans is B. When new firms enter and start producing goods and services then quantity supply increases at each price level and supply curve shifts to the right

3)ans is A. In case of perfect competition, firm is a price taker and P=AR=MR.

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