Answered: MC ATC MR

Business

Economics

MC ATC MR

Exploring Economics

8th Edition

ISBN:9781544336329

Author:Robert L. Sexton

Publisher:Robert L. Sexton

Chapter12: Firms In Perfectly Competitive Markets

Section: Chapter Questions

Problem 13P

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The images below show the first six items you see when you search ‘laptops’ in Google Shopping. Discuss whether an individual laptop manufacturer is a price-taking or a price-setting firm. Draw a diagram that illustrates the profit-maximising decision of an individual laptop manufacturer you discussed in the previous question. Fully label your diagram. You may make up numbers of simply use appropriate notations for the purpose of labelling your diagram. Briefly explain the key information of your diagram.
Calculate Darnell's marginal revenue and marginal cost for the first seven shirts he produces, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity. COSTS AND REVENUE (Dollars per shirt) 40 35 30 25 20 15 10 5 0 0 1 2 3 5 QUANTITY (Shirts) 4 6 7 8 O Marginal Revenue Marginal Cost ? Darnell's profit is maximized when he produces shirts. When he does this, the marginal cost of the last shirt he produces is $ , which is than the price Darnell receives for each shirt he sells. The marginal cost of producing an additional shirt (that is, one more shirt than would maximize his profit) is $ , which is than the price Darnell receives for each shirt he sells. Therefore, Darnell's profit- maximizing quantity corresponds to the intersection of the curves. Because Darnell is a price taker, this last condition can also be written as
Que 1
Suppose that the market for sports watches is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. Hint: After placing the rectangle on the graph, you can select an endpoint to see the coordinates of that point. PRICE (Dollars per watch) 100 90 80 70 60 50 40 30 20 10 0 0 MC ATC AVC + + 10 20 30 40 50 60 70 80 QUANTITY (Thousands of watches per day) 90 100 Profit or Loss ?
Suppose Musashi runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $25 per shirt. The following graph shows Musashi's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for shirts quantities zero through seven (inclusive) that Musashi produces. 200 175 Total Revenue 150 Total Cost 125 Profit 100 75 50 25 -25 1 2 3 7 QUANTITY (Shirts) TOTAL COST AND REVENUE (Dollars) co
Calculate Iyana's marginal revenue and marginal cost for the first seven rompers they produce, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity. COSTS AND REVENUE (Dollars per romper) 40 35 30 25 20 15 10 0 0 1 2 3 4 5 6 7 8 QUANTITY (Rompers) Marginal Revenue Marginal Cost ? Iyana's profit is maximized when they produce a total of is $ , an amount rompers. At this quantity, the marginal cost of the final romper they produce than the price received for each romper they sell. At this point, the marginal cost of producing one more romper (the first romper beyond the profit maximizing quantity) is $ , an amount than the price received for each romper they sell. Therefore, Iyana's profit-maximizing quantity occurs at the point of intersection between the Because Iyana is a price taker, the previous condition is equivalent to curves.
Suppose Eileen runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $20 per shirt. The following graph shows Eileen's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for shirts quantities zero through seven (inclusive) that Eileen produces. 200 175 Total Revenue 150 125 Total Cost Profit 100 50 25 -25 1 3 4 6 7 QUANTITY (Shirts) Calculate Eileen's marginal revenue and marginal cost for the first seven shirts she produces, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity. (?) 40 Marginal Revenue Marginal Cost 1. 5 6 7 8 QUANTITY (Shirts) Eileen's profit is maximized when she produces shirts. When she does this, the marginal cost of the last shirt she produces is $ which is v than the price Eileen receives…
Consider the competitive market for sports jackets. The following graph shows the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves for a typical firm in the industry. 100 90 70 60 ATC 40 30 20 AVC 10 + ++++ 10 15 20 3 30 35 o 5 QUANTITY (Thousands of jackets) 50 For each price in the following table, use the graph to determine the number ofr jackets this firm would produce in order to maximize its profit. Assume that when the price is exactly equal to the average variable cost, the firm is indifferent between producing zero jackets and the profit-maximizing quantity. Also, indicate whether the firm will produce, shut down, or be indifferent between the two in the short run. Lastly, determine whether it will make a profit, suffer a loss, or break even at each price. Price Quantity (Dollars per jacket) (Jackets) Produce or Shut Down? Profit or Loss? 10 20 32 COSTS (Dollars)
G, 12 Economics
3. Profit maximization using total cost and total revenue curves Suppose Ana runs a small business that manufactures shirts. Assume that the market for shirts is a perfectly competitive market, and the market price is $20 per shirt. The following graph shows Ana's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for the first seven shirts that Ana produces, including zero shirts. TOTAL REVENUE, TOTAL COST, AND PROFIT (Dollars) Total Revenue A 125 100 Total Cost ☐ Profit 200 175 150 75 50 ༔་ཎྜ་ ྴ་སྐྱ ིི་ཐྭ་8་མ་° 1 2 3 4 5 6 7 8 QUANTITY OF OUTPUT (Shirts) (?) Calculate Ana's marginal revenue and marginal cost for the first seven shirts she produces and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost. Note: Be sure to plot marginal values between the appropriate whole unit values. For instance, plot…