Chapter8: Game Theory
Section: Chapter Questions
Problem 8.9P
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Question
![1. From the New York Times: In a "noncooperative game [...] [players] cannot convey
intentions to each other." Do you agree? Discuss briefly.
2. In any competitive game there exists a unique strategy profile that is a Nash equi-
librium. True or false?
3. Consider a normal-form game. Let al such that Va-Ja : w (a), a-) < w (à, a-).
Prove or disprove that a is never a best-response.
4. A subgame perfect equilibrium of the Stackelberg game is also a Nash equilibrium
of the game in which players choose their quantities simultansously. True or false?
5. Consider an infinitely repeated normal-form game. Formulate a condition under
which all players playing grim trigger strategies constitutes a subgame perfect equi-
librium.
6. Provide an example where grim trigger strategies do not constitute a subgame per-
fect equilibrium.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F20fa334e-a96e-48e8-a40d-da3a2d1b3ddf%2Fbea6ec7a-8c1f-4031-a8c2-6e4f5da701fc%2Fg38r4p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. From the New York Times: In a "noncooperative game [...] [players] cannot convey
intentions to each other." Do you agree? Discuss briefly.
2. In any competitive game there exists a unique strategy profile that is a Nash equi-
librium. True or false?
3. Consider a normal-form game. Let al such that Va-Ja : w (a), a-) < w (à, a-).
Prove or disprove that a is never a best-response.
4. A subgame perfect equilibrium of the Stackelberg game is also a Nash equilibrium
of the game in which players choose their quantities simultansously. True or false?
5. Consider an infinitely repeated normal-form game. Formulate a condition under
which all players playing grim trigger strategies constitutes a subgame perfect equi-
librium.
6. Provide an example where grim trigger strategies do not constitute a subgame per-
fect equilibrium.
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