Economics (MindTap Course List)
13th Edition
ISBN: 9781337617383
Author: Roger A. Arnold
Publisher: Cengage Learning
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Chapter 23, Problem 4QP
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The market for paperback detective novels is perfectly competitive. Market Demand is given by Q=450-6P. Market Supply is given by Q=4P-13.
Suppose 21 units are bought to the market. Consider the Marginal Cost of production for these 21 units. What is the maximum Marginal Cost of production of these 21 units? Enter a number only, do not include the $ sign.
Hint: 21 doesn't have to be the market quantity.
Demand for microprocessors is given by P = 35 – 5Q , where Q is the quantity of microchips (in millions).
The typical firm’s total cost of producing a chip is Ci = 5qi, where qi is the output of firm i.
a) Under perfect competition, what are the equilibrium price and quantity?
In a market there is a single firm whose total cost curve is CT = 40q. The market demand is Q = 1000 - P. What is the equilibrium price and quantity at this market? What is the profit of the firm in the short term? Which is the deadweight loss associated with lack of competition?
Chapter 23 Solutions
Economics (MindTap Course List)
Ch. 23.1 - Prob. 1STCh. 23.1 - Prob. 2STCh. 23.1 - Prob. 3STCh. 23.3 - Prob. 1STCh. 23.3 - Prob. 2STCh. 23.3 - Prob. 3STCh. 23.3 - Prob. 4STCh. 23.5 - Prob. 1STCh. 23.5 - Prob. 2STCh. 23.5 - Prob. 3ST
Ch. 23 - Prob. 1QPCh. 23 - Prob. 2QPCh. 23 - Prob. 3QPCh. 23 - Is there a deadweight loss if a firm produces the...Ch. 23 - Prob. 5QPCh. 23 - Prob. 6QPCh. 23 - Prob. 7QPCh. 23 - Prob. 8QPCh. 23 - Prob. 9QPCh. 23 - Prob. 10QPCh. 23 - Prob. 11QPCh. 23 - Prob. 12QPCh. 23 - Prob. 13QPCh. 23 - Prob. 14QPCh. 23 - Prob. 1WNGCh. 23 - Prob. 2WNGCh. 23 - Prob. 3WNGCh. 23 - Prob. 4WNGCh. 23 - Prob. 5WNGCh. 23 - Prob. 6WNG
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- In competitive markets economic profit becomes zero in the long-run. However, it is also possible for some firms to earn a greater accounting profit and to enjoy a higher producer surplus than other firms. How is it possible?arrow_forwardDetermine the output level that will create zero economic profit.arrow_forwardGlowglobes are produced by identical firms in a perfectly competitive market. Each firm's Total Cost function is TC=599+17q+q^2 and Marginal Cost function is MC=17+2q. Market demand is Q=517-P. If the market price is $95, what is the quantity each firm produces?arrow_forward
- A market is at long-run equilibrium of P* = S194 and Q* = 76800 units. All firms in the market are identical, and each has a marginal cost curve of P = 2 + 2g, where g is the quantity produced by that firm only. How many firms exist in the market? Answer:arrow_forwardA flour mill buys its wheat from two different farms, then processes the wheat into flour. Wheat from Farm X costs the mill $7 per bushel, and wheat from Farm Y costs the mill $15 per bushel. The selling price (in dollars per bushel) for the mill's wheat can be modeled by p(x, y) = 500 x y where x is the demand for the flour milled from Farm X's wheat and y is the demand for flour milled from Farm Y's wheat. Assume that x and y may be zero (so the mill only buys from one of the suppliers) and that the mill can by 1/2 of a bushel. Then the maximum profit is attained when x = y = bushels bushels The amount of the flour mill's maximum profit is $arrow_forwardConsider a perfectly newspaper market with identical firms, each with the usual shaped cost curves. (1) The government imposes a (permanent) $2 per-newspaper subsidy on the market. What is the impact of the subsidy on the newspaper market? Make sure to distinguish between the short-run and the long-run impacts. (2) If demand permanently decreases, what is the impact on the newspaper market? Make sure to distinguish between the short-run and the long-run impacts.arrow_forward
- 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), go 72 64 56 48 40 32 24 ATC 16 AVC MC- ☐ 0 4 8 12 16 20 24 28 32 36 40 QUANTITY (Thousands of pounds) The following graph plots the market demand curve for ruthenium.arrow_forwardHomework Consider the 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) PRICE (Dollars per ton) 100 90 70 80 50 40 30 100 20 90 0 80 70 60 50 40 30 20 The following graph shows the market demand for steel. 0 Use the orange points (square symbol) to plot the initial 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 supply curve when there are 40 firms. D MC D ATC AVC D O 5 10 15 20 25 35 QUANTITY…arrow_forwardd)What will be the deadweight loss? e) What will be the firm’s maximum profits? f)What will be the firm’s total variable cost of manufacturing q’?arrow_forward
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