What is the formula for profit maximization by firm ? Why does this result in the marginal cost curve becoming the same as the supply curve for firms in perfect competition? what is the difference between the short run and long run ? Why does this difference matter in our discussion of firm behavior?
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What is the formula for profit maximization by firm ? Why does this result in the marginal cost curve becoming the same as the supply curve for firms in
what is the difference between the short run and long run ? Why does this difference matter in our discussion of firm behavior?
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- Suppose the market for peaches is perfectly competitive. The short-run average total cost and marginal cost of growing peaches for an individual grower are illustrated in the figure to the right. Assume that the market price for peaches is $30.00 per box. What is the profit-maximizing quantity for peach growers to produce? boxes. (Enter your response as an integer.) At this level of output, profit will be $. (Enter your response rounded to the nearest dollar.) Peach growers will earn positive economic profit in the short run at any market price above $ per box. (Enter your response rounded to one decimal place.) Price (dollars per box) 40- 36- 32- 28- 24 20 16- 12- 8 4- 10 MC 20 30 40 50 60 70 80 Output (boxes of peaches per day) ▬▬ ATC 90 100 QAssume the price of a product in a perfectly competitive firm is $20 and currently it is making minimum loses. What is the marginal cost (MC) and marginal revenue (MR) at this production level?A perfectly competitive firm produces the level of output at which MR=MC on the rising portion of the firm’s marginal cost curve. At that output level, it has the following costs and revenues: TC = $830,000 VC = $525,000 TR = $428,000 Given that the firm produces the level of output at which MR=MC, calculate the amount of profit (loss) this firm earns. is it Profit=TR-TC?
- Consider the perfectly 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. PRICE AND COST PER UNIT 100 90 10 0 10 Price (Dollars per jacket) 15 20 25 55 70 85 20 10 100 0 00 For each price in the following table, use the graph to determine the number of 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. 20 10 D MC-D 0 · D 0 ATC O AVC On the following graph, use the orange points (square symbol) to plot points along the portion of the firm's short-run supply curve that…What quantity will the firm produce if it shuts down in the short run? What will be the profits if this firm shuts down? What quantity will the firm produce to minimize losses in the short run? If this firm chooses to operate at a loss, what will its profits equal? If the cost and revenue numbers in the table will continue permanently, what will this firm choose to do?Consider a perfectly competitive market where all firms produce using the same technology. In the long run the equilibrium price equals (Need help? Read chapter 4.6 of the textbook, here: https://playconomics.com/textbooks/view/playconomics4-2019t3/part2/ch4/s6) the Fixed Cost. the minimum Marginal Cost. the minimum Average Total Cost. the maximum Average Variable Cost. None of these.
- The following graph plots the market demand curve for ruthenium. Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the industry supply curve.) Next, use the purple points (diamond symbol) to plot the short-run industry supply curve when there are 20 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 30 firms. PRICE (Dollars per pound) 100 90 80 60 50 20 10 0 Demand equilibrium. ■ 0 125 250 375 500 625 750 875 1000 1125 1250 QUANTITY (Thousands of pounds) ☐ O True Δ O False 0 Supply (10 firms) ♦ If there were 10 firms in this market, the short-run equilibrium price of ruthenium would be would earn zero profit . Therefore, in the long run, firms would Supply (20 firms) Supply (30 firms) Because you know that competitive firms…For each price in the following table, use the graph to determine the number of lamps 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 lamps 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 (Dollars per lamp) 15 20 PRICE (Dollars per lamp 80 RS232 70 26 25 55 70 85 10 588 288 8 COSTS (Dolars) 20 On the following graph, use the orange points (square symbol) to plot points along the portion of the firm's short-run supply curve that corresponds to prices where there is positive output. (Note: You are given more points to plot than you need.) (? 10 0 10 D Quantity (Lamps) 0 0 Either 0 or 45,000 10 60,000 65,000 70,000 MC-D 20 D 20 30 40 50 60 75 NO QUANTITY (Thousands of…7. Short-run supply and long-run equilibrium Consider the competitive market for ruthenium. Assume that no matter how many firms operate in the industry, every firm is identical and faces the same marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves plotted in the following graph. COSTS (Dollars per pound) 100 90 80 70 60 50 40 30 20 10 0 0 MC 5 ATC AVC + + 10 15 20 25 30 35 QUANTITY (Thousands of pounds) 40 45 H 50 image 1
- The following graph plots the market demand curve for ruthenium. Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the industry supply curve.) Next, use the purple points (diamond symbol) to plot the short-run industry supply curve when there are 20 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 30 firms. PRICE (Dollars per pound) 80 72 64 03 58 Supply (10 firms) 48 Demand Supply (20 firms) 40 32 24 16 8 0 0 120 240 350 480 600 720 840 960 1080 1200 QUANTITY (Thousands of pounds) Supply (30 firms) ? If there were 20 firms in this market, the short-run equilibrium price of ruthenium would be $ would Therefore, in the long run, firms would per pound. At that price, firms in this industry the ruthenium market. Because you…The following diagrams show the market for a good, as well as the cost curves for an individual firm in the market. Assume that all firms are identical. Under current market conditions, each individual firm will be breaking even. Individual Firm Market $ MC ATC S True False 247. Short-run supply and long-run equilibrium Consider the perfectly competitive market for steel. Assume that, regardless of how many firms are in the industry, every firm in the industry is identical and faces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph. COSTS (Dollars per ton) 100 90 80 70 60 50 40 ATC 30 20 10 + MC AVC 0 0 5 10 15 20 25 30 35 40 45 50 QUANTITY OF OUTPUT (Thousands of tons) The following diagram shows the market demand for steel. ⑦? Use the orange points (square symbol) to plot the short-run industry supply curve when there are 20 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the industry supply curve.) Next, use the purple points (diamond symbol) to plot the short-run industry supply curve when there are 30 firms. Finally, use the green points (triangle symbol) to plot the short-run industry…