Complexity Explorer Santa Fe Institute

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Game Theory I • Static Games

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5.3 Discussion » Quiz Solution

Question: Let p be the probability that player 2 chooses C in the game below. What is the value of p such

that player 1 is indierent between choosing C and choosing S?

Answer: (d) \frac23

Explanation: Player 1's utility from playing C  is p*1 . Player 1's utility from playing S  is 2(1-p) . Setting them equal gives .