The following table shows the four-firm concentration ratios of various industries.
Industry | Four-Firm Concentration Ratio |
---|---|
Aerospace products and parts | 55.6 |
Cigarettes | 98.9 |
Greeting cards | 80 |
Petroleum and coal products | 34.1 |
Breakfast cereals | 85 |
Based on the data presented in the table, which of the following industries is the closest to perfect competition?
1. An industry having a four-firm concentration ratio of 85 percent: a. is an oligopoly. b. is monopolistically competitive. c. is a monopoly. d. approximates perfect competition. 2. Industry Y is dominated by four large firms that hold market shares of 15, 20, 30 and, 35. If all the firms in industry Y merged into a single firm, the Herfindahl Index would become: a. 100 b. 10,000 c. 100,000 d. 1,000
Question 1: The market shares of firms in three different industries are listed in the table below. Firms Industry 1 38 32 30 20 20 Industry 2 250 250 75 75 20 Industry 3 75 75 75 75 75 Total Output Use this information to answer the following questions a. What is the four-firm concentration ratio for the industries above? 1,000 1,500 b. Based on your findings, how would you describe each industry: perfect competition, monopolistic competition, or an oligopoly?...
The four-firm concentration ratios for industries X and Y are 75 percent and 67 percent, respectively, while the corresponding Herfindahl-Hirschman indexes are 2,700 and 1,800. The Dansby-Willig performance index for industry X is 0.79, while that for industry Y is 0.65. Based on this information, which would lead to the greatest increase in social welfare: A slight increase in industry X output, or a slight increase in the industry Y input? a) A slight increase in industry Y's output or...
How can we assess whether a project is a success or a
failure?
This case presents two phases of a large business transformation project involving the implementation of an ERP system with the aim of creating an integrated company. The case illustrates some of the challenges associated with integration. It also presents the obstacles facing companies that undertake projects involving large information technology projects. Bombardier and Its Environment Joseph-Armand Bombardier was 15 years old when he built his first snowmobile...
ask back to top Background You are a manager in the audit division at Miller Yates Howarth (MYH), an accounting firm with offices throughout the major regional centres of NSW and Queensland. Although a medium sized firm by national standards, MYH is the second largest regional accounting firm in Australia. Most of MYH’s audit clients are in the agriculture, mining, manufacturing and property industries. All those industries are currently under pressure, either from a downturn in commodity prices or fierce...