Homework Answers
1). The Nash harmony is B,R ie (2,2)
This is on the grounds that , TR is preffered over TL
BR over BL
BL over TL
BR over TR
Subsequently, we can see that BR is preffered over every single other game.
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Question 3 Consider the game in figure 3. Player 2 LR 3,3 1,4 Player 1 4,1...
Q3 Three-Player Game Consider a 3-player matrix game. The correct interpretation is as follows: the row...
Q3 Three-Player Game Consider a 3-player matrix game. The correct interpretation is as follows: the row indicates which strategy was chosen by player I; the column indicates which strategy was chosen by player II. If player III chooses strategy X, then the three players' payoffs are given by the first matrix; if player III chooses strategy Y , then the three players' payoffs are given by the second matrix. II II LR 4, 7, 5 8, 1, 3 1, 1,8...
2. consider the following simultaneous move game. Player B LEFT RIGHT Player A UP 4,1 1,4...
2. consider the following simultaneous move game. Player B LEFT RIGHT Player A UP 4,1 1,4 DOWN 2,3 3,2 a. If there is a Nash equilibrium in pure strategies, what is it and what are the payoffs? b. If there is a Nash equilibrium in mixed strategies, what is it and what are the expected payoffs? 3. Continue with the previous game but suppose this was a sequential game where Player A got to go first. a. Diagram the game...
Question 1 a) First consider the following game, where each player plays either C (Confess) or D ...
Question 1 a) First consider the following game, where each player plays either C (Confess) or D (Deny) and the numbers in brackets are the respective payoffs to player 1 and player 2. Player 2 Player 1 (0-12) (-12,0) In relation to the above game outline the concepts of - Dominated strategies - Best responses - Nash equilibrium/equilibria - A prisoner's dilemma b) Define what is meant by subgame perfection and how the concept of credibility can be used to...
How to do the c and d? Player 2 A-1,-1 0,0 0,0 0,0 5,5 Player 1...
How to do the c and d?
Player 2 A-1,-1 0,0 0,0 0,0 5,5 Player 1 B 0,0 ci 0,0 0,0 Figure 2: A 3-by-3 Game (a) (2 points) First, what category of game does this fall into (e.g. prisoner's dilemma)? (b) (3 points) Next, find all of the Nash equilibria in this game, being careful to explain (c) (5 points) Which of the Nash equilibria is the best? Which is the worst? Justify Explain. the associated beliefs your answers...
GAME MATRIX Consider two players (Rose as player 1 and Kalum as player 2) in which each player has 2 possible actions (...
GAME MATRIX
Consider two players (Rose as player 1 and Kalum as player 2) in which each player has 2 possible actions (Up or Down for Rose; Left or Right for Kalum. This can be represented by a 2x2 game with 8 different numbers (the payoffs). Write out three different games such that: (a) There are zero pure-strategy Nash equilibria. (b) There is exactly one pure-strategy equilibrium. (c) There are two pure-strategy Nash equilibria.
Consider two players (Rose as player...
Consider a game being played between player 1 and player 2. Player 1 can choose T...
Consider a game being played between player 1 and player 2. Player 1 can choose T or B. Player 2 can take actions Lor R. These choices are made simultaneously. The payoffs are as follows. If 1 plays T and 2 plays L, the payoffs are (0, 0) for Player 1 and 2, respectively. If 1 opts of B and 2 L, the payoffs are (5,7). If 1 plays T and 2 R, the payoffs are (6,2). Finally, both players...
3. Player 1 and Player 2 are going to play the following stage game twice: &n...
3. Player 1 and Player 2 are going to play the following stage
game twice:
Player 2
Left
Middle
Right
Player 1
Top
4, 3
0, 0
1, 4
Bottom
0, 0
2, 1
0, 0
There is no discounting in this problem and so a player’s payoff
in this repeated game is the sum of her payoffs in the two plays of
the stage game.
(a) Find the Nash equilibria of the stage game. Is (Top, Left) a...
3. Consider the following two-player game in strategic form LM R A 2,2 2,2 2,2 В 3,3 0,2 0,0 С 0,...
3. Consider the following two-player game in strategic form LM R A 2,2 2,2 2,2 В 3,3 0,2 0,0 С 0,0 3,2 0,3 This game will demonstrate several methods for ruling out possible mixed- strategy equilibria (a) What are the pure strategy equilibria? (b) Show that there does not exist an equilibrium in which Player 1 (the row player) assigns strictly positive probability to A, to B, and to C. (c) Show that there does not exist an equilibrium in...
2. Consider the following sequential game. Player A can choose between two tasks, Tl and T2....
2. Consider the following sequential game. Player A can choose between two tasks, Tl and T2. After having observed the choice of A, Player B chooses between two projects Pl or P2. The payoffs are as follows: If A chooses TI and B chooses P1 the payoffs are (12, 8), where the first payoff is for A and the second for B; if A chooses T1 and B opts for P2 the payoffs are (20, 7); if A chooses T2...
2. Consider the following sequential game. Player A can choose between two tasks, TI and T2....
2. Consider the following sequential game. Player A can choose between two tasks, TI and T2. After having observed the choice of A, Player B chooses between two projects P1 or P2. The payoffs are as follows: If A chooses TI and B chooses Pl the payoffs are (12.8), where the first payoff is for A and the second for B; if A chooses TI and B opts for P2 the payoffs are (20,7); if A chooses T2 and B...
Q3 Three-Player Game Consider a 3-player matrix game. The correct interpretation is as follows: the row indicates which strategy was chosen by player I; the column indicates which strategy was chosen by player II. If player III chooses strategy X, then the three players' payoffs are given by the first matrix; if player III chooses strategy Y , then the three players' payoffs are given by the second matrix. II II LR 4, 7, 5 8, 1, 3 1, 1,8...
Question 1 a) First consider the following game, where each player plays either C (Confess) or D (Deny) and the numbers in brackets are the respective payoffs to player 1 and player 2. Player 2 Player 1 (0-12) (-12,0) In relation to the above game outline the concepts of - Dominated strategies - Best responses - Nash equilibrium/equilibria - A prisoner's dilemma b) Define what is meant by subgame perfection and how the concept of credibility can be used to...
How to do the c and d?
Player 2 A-1,-1 0,0 0,0 0,0 5,5 Player 1 B 0,0 ci 0,0 0,0 Figure 2: A 3-by-3 Game (a) (2 points) First, what category of game does this fall into (e.g. prisoner's dilemma)? (b) (3 points) Next, find all of the Nash equilibria in this game, being careful to explain (c) (5 points) Which of the Nash equilibria is the best? Which is the worst? Justify Explain. the associated beliefs your answers...
GAME MATRIX
Consider two players (Rose as player 1 and Kalum as player 2) in which each player has 2 possible actions (Up or Down for Rose; Left or Right for Kalum. This can be represented by a 2x2 game with 8 different numbers (the payoffs). Write out three different games such that: (a) There are zero pure-strategy Nash equilibria. (b) There is exactly one pure-strategy equilibrium. (c) There are two pure-strategy Nash equilibria.
Consider two players (Rose as player...
Consider a game being played between player 1 and player 2. Player 1 can choose T or B. Player 2 can take actions Lor R. These choices are made simultaneously. The payoffs are as follows. If 1 plays T and 2 plays L, the payoffs are (0, 0) for Player 1 and 2, respectively. If 1 opts of B and 2 L, the payoffs are (5,7). If 1 plays T and 2 R, the payoffs are (6,2). Finally, both players...
3. Player 1 and Player 2 are going to play the following stage
game twice:
Player 2
Left
Middle
Right
Player 1
Top
4, 3
0, 0
1, 4
Bottom
0, 0
2, 1
0, 0
There is no discounting in this problem and so a player’s payoff
in this repeated game is the sum of her payoffs in the two plays of
the stage game.
(a) Find the Nash equilibria of the stage game. Is (Top, Left) a...
3. Consider the following two-player game in strategic form LM R A 2,2 2,2 2,2 В 3,3 0,2 0,0 С 0,0 3,2 0,3 This game will demonstrate several methods for ruling out possible mixed- strategy equilibria (a) What are the pure strategy equilibria? (b) Show that there does not exist an equilibrium in which Player 1 (the row player) assigns strictly positive probability to A, to B, and to C. (c) Show that there does not exist an equilibrium in...
2. Consider the following sequential game. Player A can choose between two tasks, Tl and T2. After having observed the choice of A, Player B chooses between two projects Pl or P2. The payoffs are as follows: If A chooses TI and B chooses P1 the payoffs are (12, 8), where the first payoff is for A and the second for B; if A chooses T1 and B opts for P2 the payoffs are (20, 7); if A chooses T2...
2. Consider the following sequential game. Player A can choose between two tasks, TI and T2. After having observed the choice of A, Player B chooses between two projects P1 or P2. The payoffs are as follows: If A chooses TI and B chooses Pl the payoffs are (12.8), where the first payoff is for A and the second for B; if A chooses TI and B opts for P2 the payoffs are (20,7); if A chooses T2 and B...
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