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Finding dominant strategies given a payoff matrix.

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Dominant Strategies
Suppose two competitors each face important strategic decisions where the payoff to each decision depend upon the reactions of the competitor. Firm A can choose
either row in the payoff matrix defined below, whereas firm B can choose either column. For firm A the choice is either "up" or "down"; for firm B the choice is either
"left" or "right". Notice that neither firm can unilaterally choose a given cell in the profit payoff matrix. The ultimate result of this one-shot
simultaneous-move game depends upon the choices made by both competitors. In this payoff matrix, strategic decisions made by firm A or firm B could signify decisions to offer a money-back
guarantee, lower prices, free shipping, and so on. The first number in each cell is the profit payoff to firm A; the second number is the profit payoff to firm B

Firm B
Firm A Competitive Strategy Left Right

Up $ 75,000; $ 10,000 $ 50,000; $ 40,000

Down $ 25,000; $ 25,000 $ 80,000; $ 30,000

A. Is there a dominant strategy for firm A? If so, what is it?

B. Is there a dominant strategy for firm B? If so, what is it?

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Solution Summary

In the problem I provide a method for determining if a firm has a dominant strategy. I also provide the equilibrium outcome.

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Dominant Strategies
Suppose two competitors each face important strategic decisions where the payoff to each decision depend upon the reactions of the competitor. Firm A can choose
either row in the payoff matrix defined below, whereas firm B can choose either column. For firm A the choice is either "up" or "down"; for firm B the choice is either
"left" or "right". Notice that neither firm can unilaterally choose a given cell in the profit payoff ...

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