Problem 2. Consider the partnership-game we discussed in Lecture 3 (pages 81-87 of the textbook). Now change the setup of the game so that player 1 chooses x = [0, 4], and after observing the choice of x, player 2 chooses y = [0, 4]. The payoffs are the same as before. (a) Find all SPNE (subgame perfect Nash equilibria) in pure strategies. (b) Can you find a Nash equilibrium, with player 1 choosing x = 1, that is not subgame perfect? Explain.

Microeconomic Theory
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Chapter8: Game Theory
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Problem 2. Consider the partnership-game we discussed in Lecture 3 (pages 81-87 of
the textbook). Now change the setup of the game so that player 1 chooses x = [0, 4], and
after observing the choice of x, player 2 chooses y ≤ [0, 4]. The payoffs are the same as
before.
(a) Find all SPNE (subgame perfect Nash equilibria) in pure strategies.
(b) Can you find a Nash equilibrium, with player 1 choosing x = 1, that is
not subgame perfect? Explain.
Transcribed Image Text:Problem 2. Consider the partnership-game we discussed in Lecture 3 (pages 81-87 of the textbook). Now change the setup of the game so that player 1 chooses x = [0, 4], and after observing the choice of x, player 2 chooses y ≤ [0, 4]. The payoffs are the same as before. (a) Find all SPNE (subgame perfect Nash equilibria) in pure strategies. (b) Can you find a Nash equilibrium, with player 1 choosing x = 1, that is not subgame perfect? Explain.
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