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Chapter 26: Q. a - For Critical Thinking (page 581)

What wats the five-firm concentration ratio in the broadband industry?

Sources are listed at the end of this chapter.

Short Answer

Expert verified
  • Three and five firm concentration ratios are also available.
  • The concentration ratio is derived by multiplying the market share percentages owned by the businesses in an industry with the most specified firms.

Step by step solution

01

Step 1:Concentration Ratio 

  • Proportion The intensity ratio is used to identify whether a certain industry is made up of a few large or small enterprises.
  • The four-firm concentration ratio, which consists of the percentage market share of the four largest businesses in an industry, is a regularly used concentration ratio.
02

Step 2:The eight-firm concentration ratio,  

The eight-firm concentration ratio is derived using an industry's eight

The revenue growth of the major businesses, same like the four-firm concentration ratio.

Three-firm and five-firm concentration ratios are two more concentration ratios that can be employed.

03

Step 3:There are two more concentration ratios 

  • Three and five firm concentration ratios are offered as well.
  • The concentration ratio is derived by multiplying the market share percentages owned by the businesses in an industry with the most specified firms.

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Most popular questions from this chapter

Outline the fundamental characteristics of oligopoly

Consider two strategically dependent firms in an oligopolistic industry, Firm A and Firm B. Firm A knows that if it offers extended warranties on its products but Firm B does not, it will earn \(6 million in profits, and Firm B will earn \)2 million. Likewise, Firm B knows that if it offers extended warranties but Firm A does not, it will earn \(6 million in profits, and Firm A will earn\)2 million. The two firms know that if they both offer extended warranties on their products, each will earn \(3 million in profits. Finally, the two firms know that if neither offers extended warranties, each will earn \)5million in profits.

a. Set up a payoff matrix that fits the situation faced by these two firms.

b. What is the dominant strategy for each firm in this situation? Explain.

The table below shows recent worldwide market shares of producers of inkjet printers.

a. In this year, what was the four-firm concentration ratio in the inkjet-printer industry?

b. In this year, what was the seven-firm concentration ratio in the inkjet-printer industry?

What would be the revised HHI value if the top dozen firms decided to conduct a horizontal merger and offer a single "Top 12 Tablet" product?

Characterize each of the following as a positive-sum game, a zero-sum game, or a negative-sum game.

a. Office workers contributeS10each to a pool of funds, and whoever best predicts the winners in a professional sports playoff wins the entire sum.

b. After three years of fighting with large losses of human lives and materiel, neither nation involved in a war is any closer to its objective than it was before the war began.

c. Two collectors who previously owned incomplete and nearly worthless sets of trading cards exchange several cards, and as a result both end up with completed sets with significant market value.
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