The short-run market supply curve for a perfectly competitive market is obtained by summing the part of each firm's

Question

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In a perfectly competitive market, the short-run supply curve for each firm is the portion of its marginal cost (MC) curve that lies above the average variable cost (AVC) curve. The market supply curve is the horizontal summation of all individual firms' supply curves.

The Short-Run Market Supply Curve for a Perfectly Competitive Market