Bundle: Microeconomics, 13th + Aplia, 1 Term Printed Access Card
13th Edition
ISBN: 9781337742535
Author: Roger A. Arnold
Publisher: Cengage Learning
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Question
Chapter 12, Problem 1WNG
To determine
Determine Herfindahl index and four-firm concentration ratio.
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Students have asked these similar questions
Based on this information, the four-firm concentration ratio is?
what is the Four-firm concentration ratio (CR4)?
what is the Herfindahl-Hirshman Index (HHI)?
and how are they different?
The following table presents information on the production of five firms
that produce all of the output in an industry.
Firm
A
B
с
D
E
Output (units)
900
900
900
100
100
Instructions: Round your answers to two decimal places.
a. What is the four-firm concentration ratio for this industry?
b. What is the Herfindahl-Hirschman Index for this industry?
Chapter 12 Solutions
Bundle: Microeconomics, 13th + Aplia, 1 Term Printed Access Card
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Similar questions
- Is it true that a merger between two firms that are not already in the top four by size can affect both the four-firm concentration ratio and the Her findahl-Hirshman Index? Explain briefly.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_forwardWhat is the concentration ratio?arrow_forward
- Assume there are 10 firms of equal size in an industry. a) If two of the firms merge, find the change in the concentration ratio: Concentration ratio change: | % b) Find the change in the Herfindahl-Hirschman index. H-H index change:arrow_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 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_forwardUse the following table to calculate the four=firm concentration ratio for the U. S. auto market. Does this indicate a concentrated market or not? The table is............. GM 19% Ford 17% Toyota 14% Chrysler 11%arrow_forward
- Suppose that the most popular car dealer in your area sells 10 percent of all vehicles. If all other car dealers sell either the same number of vehicles or fewer, what is the largest value that the Herfindahl index could possibly take for car dealers in your area? In that same situation, what would the four-firm concentration ratio be?arrow_forwardSuppose 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?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_forward
- Suppose button industry is characterized by monopolistic competition with external economy. China is currently the dominant producer of buttons. Explain why Vietnam may find it difficult to compete with China in a button industry even if Vietnam has lower average cost as a function of the size of the industryarrow_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_forwardThe four-firm concentration ratio for the industry described in this table isarrow_forward
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