Price (per unit) P MC D P B Quantity (units per week) ATC Market Price P= MR Given the current market price in a competitive market, we expect to see O firms exit the industry, driving up the market price. O firms exit the industry, driving down the market price. O no change in the number of firms in the industry and no change in the market price. O firms enter the industry, driving down the market price.

Price (dollars) 8 7 6 5 4 3 2 1 0 80 O increase; increase; increase O remain same; remain same; decrease O decrease; remain same; decrease O decrease; decrease; decrease Short-run Short-run MC AC 100 110 The graph above shows the cost curves for a firm selling in a perfectly competitive market. If the market demand falls due to a recession, the long run equilibrium price will output will ., the firm's and industry output will Output (per day) Long-run AC

Price (dollars per soda) 2.50 2.00 1.50 1.00 0.50 Market Price 0 5 10 15 20 25 Quantity (thousands of sodas per month) The supply curve of Coca Cola is given above. The market price is $1.00 per soda. The marginal cost of the 20,000th soda is $0.50. $1.00. more than $1.00. $0.00. S

10. In a competitive market, the current equilibrium price is $200 per unit. A firm that produces Q units of output in this market has a short-run Total Cost (TC) given by TC = 8000 + 40Q + Q². What is the marginal cost for this firm? How many units should the firm produce?

13. Firms in Competitive Markets The market for fertilizer is perfectly competitive. Firms in the market are producing output but are currently making economic losses. Which of the following statements is true about the price of fertilizer? Check all that apply. The price of fertilizer must be less than average total cost. Price and Costs The price of fertilizer must be less than marginal cost. The price of fertilizer must be equal to average variable cost. The following graphs show the cost curves faced by a typical firm, the demand for fertilizer, and possible price and supply curves. MC Firm ATC LAVC II II Quantity (? P P₂ Demand 1 Market Quantity S₁ S₂ (?)

20 12 10 0 MC ATC -MR 10 Quantity (units) Figure 11.4.1 Refer to Figure 11.4.1, which shows the cost curves and marginal revenue curve of a firm in a perfectly competitive market. In the long run, market O supply will decrease. demand will decrease. O supply and market demand will decrease. supply will increase. O demand will increase.

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Firm's Demand Curve Firm's Demand Curve QUANTITY (Bikes) Which of the following statements are true about a competitive price-searcher market? Check all that apply. O Firms earn negative profit in the long run. O Price equals average total cost in the long run. O Firms are not price takers. O Firms face low harriers to entry PRICE (Dollars per bike)