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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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?
Suppose an industry is composed of six firms. Four firms have sales of $10 each, and two firms have sales of $5 each. What is the four-firm concentration ratio for this industry?
With formula
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Economics (MindTap Course List)
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- Suppose that the top six firms in an industry have total annual sales of $250 billion, $210 billion, $150 billion, $120 billion, $80 billion, and $60 billion, respectively. Instructions: Round your answers to the nearest whole number. a. What is the four-firm concentration ratio for this industry? percent b. What is the Herfindahl index for this industry? (Hint: To find the Herfindahl index, you will need to compute the percentage market share for each firm in the industry. When calculating market share, do not round your intermediate calculations.)arrow_forwardThe Costa Rican gimble industry consists of 14 firms whose annual sales are as shown in the table below: \table[[Firm, Sales (in millions)], [A, 4], [B, 8], [C, 12], [D, 18], [E, 23], [F, 17], [Next eight firms (total), 18]] a. What is the (four-) firm concentration ratio for this industry? Four firm concentration: % b. In what type of market does the gimble industry operate? Market type: c The Costa Rican gimble industry consists of 14 firms whose annual sales are as shown in the table below: Firm A Sales (in millions) 4 B C D E F Next eight firms (total) 8 12 18 23 17 18 a. What is the (four-) firm concentration ratio for this industry? Four firm concentration: % b. In what type of market does the gimble industry operate? Market type: (Click to select) varrow_forwardConsider an industry consists of three firms (Firm-A, Firm-B and Firm-C) with sales of AED300,000, AED700,000, and AED250,000; respectively. Calculate the Herfindahl-Hirschman index (HHI) for the industry. Calculate the four-firm concentration ratio (C4). Do you think the ‘Department of Justice’ (see the guideline below) would attempt to block a horizontal merger between Firm-A and Firm-C)? The Department of Justice’s Guidelines (Suppose): Suppose that the Department of Justice’s Guidelines suggest that antitrust authorities are more likely to challenge a merger when the relevant Herfindahl-Hirschman index is greater than 2,500 and the resulting increase in the index as a result of the merger is more than 200.arrow_forward
- The four-firm concentration ratio for the industry described in this table isarrow_forwardThe 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_forwardThe following table lists the market shares of the eight firms in an industry. Market Shares of Eight Firms in an Industry Market Share Firm 1 2 3 4 5 6 7 8 60 15 10 8 3 2 1 1 Calculate the four-firm concentration ratio for this industry. Enter your answer in the box below, and round to the nearest whole number if necessary.arrow_forward
- Calculate the four-firm concentration ratio (CR-4) given the sales data. Assume that the firms listed are the only firms in this market. Sales (millions of dollars) 7.4 7.1 6.8 6.2 5.3 4.2 What is the four-firm concentration ratio? Round to the nearest whole percent in your calculations. Retailer Dap American Jaybird Expressive LA & Company Forever 22 Limitless four-firm concentration ratio: 28arrow_forwardCalculate the four-firm concentration ratio (CR-4) given the sales data. Assume that the firms listed are the only firms in this market. Sales (millions of dollars) 7.4 7.1 Expressive 6.8 LA & Company 6.2 5.3 Forever 22 Limitless 4.2 What is the four-firm concentration ratio? Round to the nearest whole percent in your calculations. Retailer Dap American Jaybirdarrow_forwardDo not use chatgpt.arrow_forward
- The table below shows revenue data for different firms producing cleaning products. Use the given information to find the market share of each firm. Firm Revenue in $ Market Share in % Aardvark Inc 325 Baluga LLC 340 Cran Inc 140 Dingo Inc 495 Eagle Inc 360 Keep 2 decimals for the market share percentages What is the Four Firm Concentration Ratio? Is this market concentrated? OYes ONoarrow_forwardConsider a market with four firms. Suppose the first firm has a 54% market share, the second firm has a 30% market share, the third firm has a 15% market share, and the fourth firm has a 1% market share. Using the Herfindahl-Hirschman Index (HHI), what is this market's level of concentration? —- . (Enter a numeric response using an integer.)arrow_forwardWhat is the concentration ratio?arrow_forward
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