2. (17) Bob and Joe both own convenience marts on opposite corners. Both firms are considering expanding the size their stores. The payoff matrix for this decision is shown below. Does Bob's Mart have a dominant strategy? Explain why or why not. Expand Bob's Mart Strategy Joe's Expand Mart Strategy Don't Expand Bob's profit $-1,000 Joe's profit=$-1,000 Bob's profit $10,000 Joe's profit=$-2,000 Don't Expand Bob's profit $-2,000 Joe's profit $10,000 Bob's profit $15,000 Joe's profit=$5,000 = 3.Suppose that an industry contains only four firms. The table below shows the market share of each firm in the market. Percentage Share of: Firm A 25 Firm B 30 Firm C 15 Firm D 30 (16) Calculate the Herfindahl-Hirschman index for the industry. In which category would regulators consider this industry base on the index?

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Chapter15: Imperfect Competition
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2. (17) Bob and Joe both own convenience marts on opposite corners. Both firms are considering expanding the size
their stores. The payoff matrix for this decision is shown below. Does Bob's Mart have a dominant strategy? Explain
why or why not.
Expand
Bob's Mart Strategy
Joe's
Expand
Mart
Strategy
Don't Expand
Bob's profit $-1,000
Joe's profit=$-1,000
Bob's profit $10,000
Joe's profit=$-2,000
Don't Expand
Bob's profit $-2,000
Joe's profit $10,000
Bob's profit $15,000
Joe's profit=$5,000
=
3.Suppose that an industry contains only four firms. The table below shows the market share of each firm in the market.
Percentage Share of:
Firm A
25
Firm B
30
Firm C
15
Firm D
30
(16) Calculate the Herfindahl-Hirschman index for the industry. In which category would regulators consider this
industry base on the index?
Transcribed Image Text:2. (17) Bob and Joe both own convenience marts on opposite corners. Both firms are considering expanding the size their stores. The payoff matrix for this decision is shown below. Does Bob's Mart have a dominant strategy? Explain why or why not. Expand Bob's Mart Strategy Joe's Expand Mart Strategy Don't Expand Bob's profit $-1,000 Joe's profit=$-1,000 Bob's profit $10,000 Joe's profit=$-2,000 Don't Expand Bob's profit $-2,000 Joe's profit $10,000 Bob's profit $15,000 Joe's profit=$5,000 = 3.Suppose that an industry contains only four firms. The table below shows the market share of each firm in the market. Percentage Share of: Firm A 25 Firm B 30 Firm C 15 Firm D 30 (16) Calculate the Herfindahl-Hirschman index for the industry. In which category would regulators consider this industry base on the index?
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