We can see from the payoff matrix that there are no pure strategy Nash equilibrium in this game because at least one firm would always have an incentive to change its behavior. ​ From​ Nash's​ theorem, we know there must be at least one Nash equilibrium so there must be a mixed strategy Nash equilibrium for this game.   Find the mixed strategy Nash equilibrium by first deleting all dominated strategies in the game   What's the expected payoff to Firm 1 in the equilibrium?

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Chapter1: Making Economics Decisions
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We can see from the payoff matrix that there are no pure strategy Nash equilibrium in this game because at least one firm would always have an incentive to change its behavior. ​ From​ Nash's​ theorem, we know there must be at least one Nash equilibrium so there must be a mixed strategy Nash equilibrium for this game.

 

Find the mixed strategy Nash equilibrium by first deleting all dominated strategies in the game

 

What's the expected payoff to Firm 1 in the equilibrium?

Firm 1
Low
Medium
High
46.12
55.3
45.69
Low
24.03
36.07
48.43
75.18
61.32
57.78
Firm 2
Medium
13.54
41.47
41.47
93.83
72.76
84.06
High
2.99
17.37
23.09
Transcribed Image Text:Firm 1 Low Medium High 46.12 55.3 45.69 Low 24.03 36.07 48.43 75.18 61.32 57.78 Firm 2 Medium 13.54 41.47 41.47 93.83 72.76 84.06 High 2.99 17.37 23.09
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