In the short run there are 400 firms in a perfectly competitive market, all with the same total cost function: SRTC = 2.5q2 + 5q + 40. Suppose the market demand curve is represented by P = 165 - 0.0875Q. The profit earned by each firm in the short run is a. $0 b. -$40 c. -$50 d. $30 e. $75
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In the short run there are 400 firms in a
a. $0
b. -$40
c. -$50
d. $30
e. $75
Each firm in a perfectly competitive market has long-run total cost represented as LRTC = 100q2 - 10q + 100. The market demand is Q d = 2150-5P. At the long-run
a. 500
b. 1,000
c. 1,200
d. 2,000
e. 2,400
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- Consider the market for ice cream. Suppose that this market is perfectly competitive. The cost structure of the typical ice cream producer is as follows. Average total cost is equal to 50 1 1 ATC(Q) +÷Q, average variable cost is equal to AVC(Q) Q, and marginal cost is equal to 2 2 MC(Q) = Q. 40 Suppose that demand for ice cream cones is given by PD = x QD. 3 300 How many firms will operate in the market for ice cream in a long run equilibrium?Q4. A perfectly competitive firm has a marginal cost given by MC(q) 0.25q and a total cost function of TC = 2+ 0.125q?. The Total Revenue TR = 12q. • What is the profit-maximizing price for this perfectly competitive firm? • What is the condition to find equilibrium output? What is equilibrium output for this particular firm? Draw a diagram and shade the area of Producer's Surplus and calculate the firm's producer's surplusFirms in the market for dog food are selling in a purely competitive market. A firm producing dog food has an output of 10,000 pounds of dog food, for which it sells for $0.50 a pound. At the output level of 10,000 pounds the average variable cost is $0.40, the average total cost is $0.70, and the marginal cost is $0.50. (a) What would you expect the firm to do in the short run? Explain.
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