Economics (MindTap Course List)
13th Edition
ISBN: 9781337617383
Author: Roger A. Arnold
Publisher: Cengage Learning
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Chapter 24, Problem 3WNG
To determine
Determine four-firm concentration ratio.
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Total industry sales are $105 million. The top four firms account for sales of $15%, 12%, 10%, 8%respectively. What is the three-firm concentration ratio?
Suppose an industry is composed of six firms. Four firms have sales of $10 each, and two firms haves sales of $5 each. What is the four-firm concentration ratio for this industry?
calculate HHI for this industry?
Assume there are six companies in a certain industry. Four companies have $10 sales apiece, while two companies have $5 sales each. What is the industry's four-firm concentration ratio?
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Economics (MindTap Course List)
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- Ten firms compete in a market to sell product X. The total sales of all firms selling the product are $1,500,000. Ranking the firms' sales from highest to lowest, we find the top four firms' sales to be $310,000, $235,000, $205,000, and $ 140,000, respectively. Calculate the four - firm concentration ratio in the market for product X. Instruction: Enter your response rounded to two decimal places,arrow_forwardConsider two industries, each comprising ten firms. In industry A, the largest firm has a market share of 49 percent. The next three firms have market shares of 7 percent each, and the remaining six firms have equal shares of 5 percent each. In industry B, the top four firms share the bulk of the market with 19 percent apiece. The next largest firm accounts for 14 percent, and the smallest five firms equally split the remaining 10 percent of the industry. a. Compute the four-firm concentration ratio and HI for each industry. Compare these measures across the two industries. Which industry do you think truly exhibits a more competitive structure? Which measure do you think gives a better indication of this? Explain. b. Now let the three second largest firms in industry A merge their operations while holding onto their combined 21 percent market share. Recalculate the HI for industry A. Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care…arrow_forwardFirm Market Share (%) A 40 B 30 C 20 D 5 E 5 Refer to the data. If Firm B merged with Firm E, the industry's four-firm concentration ratio would ____ and its Herfindahl index would ____.arrow_forward
- Firm Market Share (%) A 30 B 29 C 16 D 12 E 7 F 6 Refer to the data. Suppose that firms A and F merged into a single firm. The four-firm concentration ratio and the Herfindahl index would be Multiple Choicearrow_forwardFirm Market Share (%) A 18 B 17 C 17 D 17 E 16 F 15 Refer to the data. Suppose that firms in this industry split up such that there were 20 firms, each with a 5 percent market share. The four-firm concentration ratio and the Herfindahl index respectively would bearrow_forwardAsap Ten firms compete in a market to sell product X. The total sales of all firms selling the product are $1,500,000. Ranking the firms' sales from highest to lowest, we find the top four firms' sales to be $310,000, $235,000, $205,000, and $ 140,000, respectively. Calculate the four - firm concentration ratio in the market for product X. Instruction: Enter your response rounded to two decimal places.arrow_forward
- Suppose we have two markets, A and B, each consisting of seven firms. The market shares of the 5 largest firms (ordered by market share) are shown in the table below. True or false? (i) The CR3 and CR4 concentration ratios both point to the same market (either A or B) having more market power. (ii) The 6th largest firm in market B captures at most 8 percent of the market. (iii) The HHI of market B is at most 1,798 (in units of squared percent). (Hint: for positive x and y, (x+y)2=x2+y2+2xy≥x2+y2.) (iv) The HHI of market A is definitely larger than the HHI of market B.arrow_forwardThe four-firm concentration ratio for the industry described in this table isarrow_forwardSuppose that a small town has six burger shops whose respective shares of the local market are (as percentages of all hamburgers sold): 26%, 20%, 18%, 14%, 12%, 10%, Assume that the largest producer now purchases the third largest firm (based market share) so that this new combined firm has the same market share as old firm 1 and old firm 3 combined. Compute the new third-firm concentration ratio and to the new HHI?arrow_forward
- The following table reports the four firm concentration ratio for five different industries: Part 1: Refer to the table above. In which industry do the four largest firms have the most market power? Part2: Refer to the table above. I'm which industry do the four largest firms have the least market power?arrow_forwardAn industry is composed of Firm 1, which controls 70 percent of the market, Firm 2 with 15 percent of the market, and Firm 3 with 5 percent of the market. About 20 firms of approximately equal size divide the remaining 10 percent of the market. Calculate the Herfindahl-Hirschman Index before and after the merger of Firm 2 and Firm 3 (assume that the combined market share after the merger is 20 percent). Would you view a merger of Firm 2 with Firm 3 as procompetitive or anticompetitive? Explain.arrow_forwardSuppose that a small town has six burger shops whose respective shares of the local market are (as percentages of all hamburgers sold): 26%, 20%, 18%, 14%, 12%, 10%, What is the four-firm concentration ratio of the hamburger industry and what is the Hirchmann Herfindahl Index (HHI) for the hamburger industry in this town?arrow_forward
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