Suppose the short-run demand for a product is give byQD= 200−2P. Supposethe short-run supply curve isQD= 3P−50. (a) What is the market clearing, or competitive equilibrium price and quan-tity.

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Chapter22: Perfect Competition
Section22.1: The Theory Of Perfect Competition
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Suppose the short-run demand for a product is give byQD= 200−2P. Supposethe short-run supply curve isQD= 3P−50.

(a) What is the market clearing, or competitive equilibrium price and quan-tity.

(b) If the existing firms’ average total cost is 40, and the industry is a perfectlycompetitive, constant returns to scale industry, in the long run willpricerise or all? Explain.

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