5. Consider the game having the following payoff table: Strategy Player 1 1 2 3 1 -3 1 1 Player 2 2 1 2 0 3 2 -2 (a) Can you apply the dominated strategies method for this game? If so, determine the optimal strategy for each player by successively eliminating dominated strategies. Give a list of the dominated strategies and the corresponding dominating strategies in the order in which you were able to eliminate them. Also find the value of the game. (b) Use the minimax criterion to determine if this game has a saddle point? If so, find the best strategy for each player, and the value of the game.
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- Consider the following game: Player 2 In Out Player 1 In -2,-2 2, 0 Out 0, 2 0, 0 (a) What is the Nash equilibrium of this game, or what are the Nash equilibriaof this game? (b) Does either firm have a dominate strategy (a strategy that is always abest response)? Which? (c) Suppose Player 1 could move before Player 2 and Player 2 could observe Player 1’s move. What do you think would happen?9. For the payoff matrix below, consider a sequential version of the game in which Player 2 moves first and then Player 1 moves second. Which of the following is not a correct statement? Player 1 Top Center Bottom Left 1,2 5,1 6,0 Player 2 Middle 7,1 11,2 -4,3 Right 10,4 1,0 8,5 The subgame perfect payoffs coincide with those of a Nash equilibrium b. Depending on Player 2's move, Player 1 will sometimes optimally choose Bottom c. Player 2 will choose Right in the subgame perfect equilibrium d. Player 2 would be willing to pay a positive $ amount to move first rather than second e. Player 1 would be willing to pay a larger $ amount than Player 2 to move first3. Find the dominant and dominated strategies in the following games (in case players have such strategies). Is there any dominant strategy equilibrium in any of these games? (a) Player 2 L R Player 1 U 5,5 3,6 D 6,3 4,4 (b) Player 2 V W X Y Z A 2,5 4,4| 5,5 | 0,4 | 1,5 B 5,3 3,3 4,3 | 2,2 | 1,0 Player 1 C 6,0 | 3,0 | 1,1| 1,1 |0,1 D 6,2 3,0 | 4,2 | 3,2 | 1,2 E 1,1 5,1| 4,2 | 1,0 | 0,2
- 5. Consider a game with the following payoff table for player 1: Strategy Player 1 1 11 2 3 1 3 -4 1 Player 2 2 -3 -2 3 3 -2 −1 2 (a) Use Excel Solver to find the optimal mixed strategy for each player.3. For the friend-foe game, recall that there were 3 Nash equilibria possible, but the equilibria set didn't include the cooperative outcome, for which both players would win. Friend Foe Friend | 500,500 0,1000 Foe 1000,0 0,0 a) If the game is played repeatedly, propose a play strategy that will enforce cooperation. For what values of ô (discount factor) the equilibrium will be (Friend, Friend)?QUESTION 9 D 2 C D D, D OD, C C, D C II C (2,2) (4,0) (0,4) (3,3) In the dynamic game represented by the graph above, the numbers inside paranthesis show the payoffs of Player 1 and Player 2, respectively. The Nash equilibrium of this game is for Player 1 to choose O C, C and Player 2 to choose
- 4. Consider the following game. There are two players and two possible simultaneous move games A and B. Player 1 first chooses which game is to be played; both player observe which game is played and choose their strategy. The payoff matrices for Game A and B are given by : where k> >0. Game A U D L (10,5) (0,0) R (0,0) (5,10) Game B: U D (a) Write down the extensive form of this game. (b) Assume k = 2. Solve for all subgame perfect Nash equilibria of this game. L R (kk) (0,0) (0,0) (0,0) (c) Can you find a value of k such that there exists a SPNE in which player 1 chooses game B? Can you find a value of k such that all SPNE involve player 1 choosing game B?Costco Spend $1B on advertising Spend $1.5B on advertising Spend $1B on advertising $3.5B; $2.7B $4.2; $2.2B Target Spend $1.5B on advertising $3.2B; $3.4B $4B; $3BPlease look at the payoff matrix below which shows the benefits that would accrue to each player in a 2-player.non-sequential, non-repeated game. a) Identify the collusive (cooperative) equilibrium. b) Identify the secure strategy (maximin) equilibrium c) Identify the maximax equilibrium d) Identify the Nash equilibrium (You must clearly label each answer in eCourses to receive any credit for your answers.) Apple Inc. Strategy 1 Strategy 2 Strategy 3 20 40 60 60 1000 200 Strategy A 70 50 90 Banana 70 300 Inc. Strategy B 400 40 80 100 90 150 80 Strategy C
- 5) Mixed strategy Nash equilibrium Consider a mixed strategy Nash equilibrium of the following coordination game: Player 2 Player 1 A B a 5.5 6.-2 b -2,6 1,1 a) In the above game, explain in words what condition player 1's probability p of playing strategy A must satisfy to induce player 2 to mix strategies between a and b in equilibrium. b) Solve for the mixed strategy Nash equilibrium where player 1 chooses A with probability P and player 2 chooses a with probability p, for 0 < p, P < 1.1. Consider the following games, how many strategies (complete plan of action) are available to each player? List all possible strategies for each player. 2. For games described in question 1, find the rollback equilibrium outcome and optimal strategy for each player. (a) ALBUS (b) ALBUS N MINERVA S N MINERVA S E MINERVA MINERVA MINERVA a b b a b a a b J 3,0 b 2,1 1,1 5,0 4,4 1,5 3,3 ALBUS 0,4 2,2 3,1 N 5,2 1,35. The following problem was first considered by John von Neumann and is a fundamentalresult game theory.A and B play the following game:A writes down either number 1 or number 2, and B must guess which one.If the number that A has written down is i and B has guessed correctly, B receives i units from A.If B makes a wrong guess, B pays 4/5 of a unit to A.First we consider the expected gain of player B.Suppose B guesses 1 with probability p and 2 with probability 1 −p.Let X1 denote B’s gain (or loss) in a game where A has written down 1.Let X2 denote B’s gain (or loss) in a game where A has written down 2.(a) Find the pmf of X1 and X2(b) Find B’s expected gain for these two cases, E[X1] and E[X2].(c) What value of p maximizes the minimum possible value of B’s expected gain?Now consider the expected loss of player ASuppose that A writes down 1 with probability q and 2 with probability 1 −q.Let Y1 be A’s loss (or gain) if B chooses number 1.Let Y2 be A’s loss (or gain) if B…