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Respond to the question: alternating moves game?

07/24/2006 04:28 PM by name withheld; alternating coordination game
This is an alternating coordination game. To check whether (Y, Y) is an SPNE, we need to know weather the players have incentive to deviate from Y. Suppose (Y, Y) is an SPNE. Then payoff for each player is 1/ (1-delta), where delta is
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07/23/2006 02:08 AM by Stella; alternating moves game
Can you pls help me with this question? consider the alternating moves game where in period 0 player 1 chooses an action which she carries out in period 1, subsequently in every odd period player 2 chooses an action, and in every even period player 1 chooses an action. The actions chosen persist for 2 periods. For instance, if 1 chooses X initially, 2 chooses X in period 1, 1 chooses Y in period 2 and 2 chooses Y in period 2, the outcomes for the first three periods are X,X, Y,X and Y,Y the payoffs are:

X,X - 2,2
X,Y - 0,0
Y,X - 0,0
Y,Y - 1,1

Is choosing Y, Y in every period a Nash equilibrium and a SPNE?
Thanks very much
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