Economics (MindTap Course List)
13th Edition
ISBN: 9781337617383
Author: Roger A. Arnold
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 25, Problem 1WNG
To determine
Determine Herfindahl index and four-firm concentration ratio.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents 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 25 Solutions
Economics (MindTap Course List)
Knowledge Booster
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_forwardHow do we measure a four-firm concentration ratio? What does a high measure mean about the extent of competition?arrow_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
- Consider the firm Novo Nordisk and the production of Ozempic, a class of diabetes drugs which can additionally be used to treat weight-loss by mimicking GLP-1 to suppress appetite. At present, the firm has mostly a monopoly on this kind of injectable drug where semaglutide is the key active ingredient. For some context, read the following freely available articles: 1. https://theconversation.com/ozempic-the-miracle-drug-and-the-harmful-idea-of-a-future-without-fat-211661 2. https://fortune.com/europe/2024/03/28/ozempic-maker-novo-nordisk-facing-pressure-as-study-finds-1000-appetite-suppressant-can-be-made-for-just-5/ [or, access via Login to Curtin Library: https://search.ebscohost.com/login.aspx?direct=true&AuthType=sso&db=bsu&AN=176267009&site=ehost-live&custid=s8423239] 3. https://www.usatoday.com/story/news/health/2024/03/29/ozempic-wegovy-weight-loss-diabetes-drug-cost/73125135007/ 4.…arrow_forwardPlace the black point (plus symbol) on the following graph to indicate the profit-maximizing price and combined quantity of output if Mays and McCovey choose to work together. 2.00 Demand 1.80 Monopoly Outcome 1.60 1.40 MC = ATC 1.20 1.00 0.80 0.60 0.40 0.20 MR 90 180 270 360 450 540 630 720 810 900 QUANTITY (Cans of beer) PRICE (Dollars per can)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_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Economics (MindTap Course List)EconomicsISBN:9781337617383Author:Roger A. ArnoldPublisher:Cengage LearningPrinciples of Economics 2eEconomicsISBN:9781947172364Author:Steven A. Greenlaw; David ShapiroPublisher:OpenStax
- Managerial Economics: A Problem Solving ApproachEconomicsISBN:9781337106665Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike ShorPublisher:Cengage LearningMicroeconomics: Principles & PolicyEconomicsISBN:9781337794992Author:William J. Baumol, Alan S. Blinder, John L. SolowPublisher:Cengage Learning
Economics (MindTap Course List)
Economics
ISBN:9781337617383
Author:Roger A. Arnold
Publisher:Cengage Learning
Principles of Economics 2e
Economics
ISBN:9781947172364
Author:Steven A. Greenlaw; David Shapiro
Publisher:OpenStax
Managerial Economics: A Problem Solving Approach
Economics
ISBN:9781337106665
Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor
Publisher:Cengage Learning
Microeconomics: Principles & Policy
Economics
ISBN:9781337794992
Author:William J. Baumol, Alan S. Blinder, John L. Solow
Publisher:Cengage Learning