Bayesian Nash Equilibria in Battle of SexesIs this equivalent to the game of chicken?Strategic form: mixed...
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Bayesian Nash Equilibria in Battle of Sexes
Is this equivalent to the game of chicken?Strategic form: mixed strategy nash equilibria?Bayesian Nash Equilibrium - Mixed StrategiesMonotone transformation of a gameComparing Nash equilibriaBayesian-Nash equilibrium in a first-price auctionGame Theory; Finding the Nash EquilibriaComputing pure strategy Nash equilibria in finite gamesBayesian Nash Equilibria: Strong and Weak TypesDefinition of Bayesian Nash equilibrium
$begingroup$
Consider the static Bayesian game as described above. $ t_1$ and $ 𝑡_2$
are the types of the row and column player respectively, which are both uniformly distributed on the interval [0,1]. The first part of the question is asking us to find a Bayesian Nash Equilibrium. Trivially, don't the the top left and bottom right corners correspond to equilibrium outcomes? Unless I've misunderstood the definition of a BNE.
game-theory bayesian-game
asked 8 hours ago
StudentStudent
486
$endgroup$
add a comment |
$begingroup$
Consider the static Bayesian game as described above. $ t_1$ and $ 𝑡_2$ are the types of the row and column player respectively, which are both uniformly distributed on the interval [0,1]. The first part of the question is asking us to find a Bayesian Nash Equilibrium. Trivially, don't the the top left and bottom right corners correspond to equilibrium outcomes? Unless I've misunderstood the definition of a BNE.
game-theory bayesian-game
asked 8 hours ago
StudentStudent
486
$endgroup$
add a comment |
$begingroup$
Consider the static Bayesian game as described above. $ t_1$ and $ 𝑡_2$ are the types of the row and column player respectively, which are both uniformly distributed on the interval [0,1]. The first part of the question is asking us to find a Bayesian Nash Equilibrium. Trivially, don't the the top left and bottom right corners correspond to equilibrium outcomes? Unless I've misunderstood the definition of a BNE.
game-theory bayesian-game
asked 8 hours ago
StudentStudent
486
$endgroup$
Consider the static Bayesian game as described above. $ t_1$ and $ 𝑡_2$ are the types of the row and column player respectively, which are both uniformly distributed on the interval [0,1]. The first part of the question is asking us to find a Bayesian Nash Equilibrium. Trivially, don't the the top left and bottom right corners correspond to equilibrium outcomes? Unless I've misunderstood the definition of a BNE.
game-theory bayesian-game
game-theory bayesian-game
asked 8 hours ago
StudentStudent
486
asked 8 hours ago
StudentStudent
486
edited 28 mins ago
Student
asked 8 hours ago
StudentStudent
486
asked 8 hours ago
StudentStudent
486
asked 8 hours ago
StudentStudent
486
486
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
Yes, you are correct. All types $t_{1}$ choose O (B) and all types $t_{2}$
choose O (B) are both Bayesian equilibria.
Note that there are other Bayesian equilibrium in this game, if you are interested this is explained in detail here (p. 10, see reference below) for this particular battle of the sexes with two-sided incomplete information. The basic idea is to note that in this game, each player has a continuum of types, and so the set of types is infinite. You can look for a Bayesian equilibrium in which player 1 goes to the $Opera$ if $t_{1}$ exceeds some critical value $x_{1}$ and chooses $Fight$ otherwise, and player 2 chooses to $Fight$ if $t_{2}$ exceeds some critical value $x_{2}$ and goes to the $Opera$ otherwise. To find the values $x_{1}$, $x_{2}$ that make these strategies a Bayesian equilibrium you can calculate each player's expected payoffs given the other player's strategy and find the optimal values based on this.
Game Theory: Static and Dynamic Games of Incomplete Information
Branislav L. Slantchev Department of Political Science, University of California – San Diego
edited 5 hours ago
Giskard
13.7k32348
answered 7 hours ago
user20105user20105
36010
$endgroup$
2
$begingroup$
Ideally you would post a short description of the linked content, because links break over time. You can give a name that people can google, quote, etc.
$endgroup$
– Giskard
7 hours ago
$begingroup$
Fantastic. I must point out that the question had a hint about threshold values which is what confused me. Perhaps that is covered in your link.
$endgroup$
– Student
7 hours ago
$begingroup$
I have modified it to include the idea and reference @Giskard, thanks for the tip
$endgroup$
– user20105
6 hours ago
1
$begingroup$
@Student yes, there is a Bayesian equilibrium with threshold values. I included a quick hint here but it is very well explained in the link.
$endgroup$
– user20105
6 hours ago
$begingroup$
Being new to Bayesian games, it seems like methods for solving such games (including auctions) rely on us assuming some form for the strategies and then proceeding (an example is the threshold equilibrium in the above game). Would there be any exhaustive methods for solving Bayesian games?
$endgroup$
– Student
50 mins ago
|
show 3 more comments
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1 Answer
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1 Answer
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$begingroup$
Yes, you are correct. All types $t_{1}$ choose O (B) and all types $t_{2}$
choose O (B) are both Bayesian equilibria.
Note that there are other Bayesian equilibrium in this game, if you are interested this is explained in detail here (p. 10, see reference below) for this particular battle of the sexes with two-sided incomplete information. The basic idea is to note that in this game, each player has a continuum of types, and so the set of types is infinite. You can look for a Bayesian equilibrium in which player 1 goes to the $Opera$ if $t_{1}$ exceeds some critical value $x_{1}$ and chooses $Fight$ otherwise, and player 2 chooses to $Fight$ if $t_{2}$ exceeds some critical value $x_{2}$ and goes to the $Opera$ otherwise. To find the values $x_{1}$, $x_{2}$ that make these strategies a Bayesian equilibrium you can calculate each player's expected payoffs given the other player's strategy and find the optimal values based on this.
Game Theory: Static and Dynamic Games of Incomplete Information
Branislav L. Slantchev Department of Political Science, University of California – San Diego
edited 5 hours ago
Giskard
13.7k32348
answered 7 hours ago
user20105user20105
36010
$endgroup$
2
$begingroup$
Ideally you would post a short description of the linked content, because links break over time. You can give a name that people can google, quote, etc.
$endgroup$
– Giskard
7 hours ago
$begingroup$
Fantastic. I must point out that the question had a hint about threshold values which is what confused me. Perhaps that is covered in your link.
$endgroup$
– Student
7 hours ago
$begingroup$
I have modified it to include the idea and reference @Giskard, thanks for the tip
$endgroup$
– user20105
6 hours ago
1
$begingroup$
@Student yes, there is a Bayesian equilibrium with threshold values. I included a quick hint here but it is very well explained in the link.
$endgroup$
– user20105
6 hours ago
$begingroup$
Being new to Bayesian games, it seems like methods for solving such games (including auctions) rely on us assuming some form for the strategies and then proceeding (an example is the threshold equilibrium in the above game). Would there be any exhaustive methods for solving Bayesian games?
$endgroup$
– Student
50 mins ago
|
show 3 more comments
$begingroup$
Yes, you are correct. All types $t_{1}$ choose O (B) and all types $t_{2}$
choose O (B) are both Bayesian equilibria.
Note that there are other Bayesian equilibrium in this game, if you are interested this is explained in detail here (p. 10, see reference below) for this particular battle of the sexes with two-sided incomplete information. The basic idea is to note that in this game, each player has a continuum of types, and so the set of types is infinite. You can look for a Bayesian equilibrium in which player 1 goes to the $Opera$ if $t_{1}$ exceeds some critical value $x_{1}$ and chooses $Fight$ otherwise, and player 2 chooses to $Fight$ if $t_{2}$ exceeds some critical value $x_{2}$ and goes to the $Opera$ otherwise. To find the values $x_{1}$, $x_{2}$ that make these strategies a Bayesian equilibrium you can calculate each player's expected payoffs given the other player's strategy and find the optimal values based on this.
Game Theory: Static and Dynamic Games of Incomplete Information
Branislav L. Slantchev Department of Political Science, University of California – San Diego
edited 5 hours ago
Giskard
13.7k32348
answered 7 hours ago
user20105user20105
36010
$endgroup$
2
$begingroup$
Ideally you would post a short description of the linked content, because links break over time. You can give a name that people can google, quote, etc.
$endgroup$
– Giskard
7 hours ago
$begingroup$
Fantastic. I must point out that the question had a hint about threshold values which is what confused me. Perhaps that is covered in your link.
$endgroup$
– Student
7 hours ago
$begingroup$
I have modified it to include the idea and reference @Giskard, thanks for the tip
$endgroup$
– user20105
6 hours ago
1
$begingroup$
@Student yes, there is a Bayesian equilibrium with threshold values. I included a quick hint here but it is very well explained in the link.
$endgroup$
– user20105
6 hours ago
$begingroup$
Being new to Bayesian games, it seems like methods for solving such games (including auctions) rely on us assuming some form for the strategies and then proceeding (an example is the threshold equilibrium in the above game). Would there be any exhaustive methods for solving Bayesian games?
$endgroup$
– Student
50 mins ago
|
show 3 more comments
$begingroup$
Yes, you are correct. All types $t_{1}$ choose O (B) and all types $t_{2}$
choose O (B) are both Bayesian equilibria.
Note that there are other Bayesian equilibrium in this game, if you are interested this is explained in detail here (p. 10, see reference below) for this particular battle of the sexes with two-sided incomplete information. The basic idea is to note that in this game, each player has a continuum of types, and so the set of types is infinite. You can look for a Bayesian equilibrium in which player 1 goes to the $Opera$ if $t_{1}$ exceeds some critical value $x_{1}$ and chooses $Fight$ otherwise, and player 2 chooses to $Fight$ if $t_{2}$ exceeds some critical value $x_{2}$ and goes to the $Opera$ otherwise. To find the values $x_{1}$, $x_{2}$ that make these strategies a Bayesian equilibrium you can calculate each player's expected payoffs given the other player's strategy and find the optimal values based on this.
Game Theory: Static and Dynamic Games of Incomplete Information
Branislav L. Slantchev Department of Political Science, University of California – San Diego
edited 5 hours ago
Giskard
13.7k32348
answered 7 hours ago
user20105user20105
36010
$endgroup$
Yes, you are correct. All types $t_{1}$ choose O (B) and all types $t_{2}$
choose O (B) are both Bayesian equilibria.
Note that there are other Bayesian equilibrium in this game, if you are interested this is explained in detail here (p. 10, see reference below) for this particular battle of the sexes with two-sided incomplete information. The basic idea is to note that in this game, each player has a continuum of types, and so the set of types is infinite. You can look for a Bayesian equilibrium in which player 1 goes to the $Opera$ if $t_{1}$ exceeds some critical value $x_{1}$ and chooses $Fight$ otherwise, and player 2 chooses to $Fight$ if $t_{2}$ exceeds some critical value $x_{2}$ and goes to the $Opera$ otherwise. To find the values $x_{1}$, $x_{2}$ that make these strategies a Bayesian equilibrium you can calculate each player's expected payoffs given the other player's strategy and find the optimal values based on this.
Game Theory: Static and Dynamic Games of Incomplete Information
Branislav L. Slantchev Department of Political Science, University of California – San Diego
edited 5 hours ago
Giskard
13.7k32348
answered 7 hours ago
user20105user20105
36010
edited 5 hours ago
Giskard
13.7k32348
edited 5 hours ago
Giskard
13.7k32348
edited 5 hours ago
Giskard
13.7k32348
13.7k32348
answered 7 hours ago
user20105user20105
36010
answered 7 hours ago
user20105user20105
36010
answered 7 hours ago
user20105user20105
36010
36010
2
$begingroup$
Ideally you would post a short description of the linked content, because links break over time. You can give a name that people can google, quote, etc.
$endgroup$
– Giskard
7 hours ago
$begingroup$
Fantastic. I must point out that the question had a hint about threshold values which is what confused me. Perhaps that is covered in your link.
$endgroup$
– Student
7 hours ago
$begingroup$
I have modified it to include the idea and reference @Giskard, thanks for the tip
$endgroup$
– user20105
6 hours ago
1
$begingroup$
@Student yes, there is a Bayesian equilibrium with threshold values. I included a quick hint here but it is very well explained in the link.
$endgroup$
– user20105
6 hours ago
$begingroup$
Being new to Bayesian games, it seems like methods for solving such games (including auctions) rely on us assuming some form for the strategies and then proceeding (an example is the threshold equilibrium in the above game). Would there be any exhaustive methods for solving Bayesian games?
$endgroup$
– Student
50 mins ago
|
show 3 more comments
2
$begingroup$
Ideally you would post a short description of the linked content, because links break over time. You can give a name that people can google, quote, etc.
$endgroup$
– Giskard
7 hours ago
$begingroup$
Fantastic. I must point out that the question had a hint about threshold values which is what confused me. Perhaps that is covered in your link.
$endgroup$
– Student
7 hours ago
$begingroup$
I have modified it to include the idea and reference @Giskard, thanks for the tip
$endgroup$
– user20105
6 hours ago
1
$begingroup$
@Student yes, there is a Bayesian equilibrium with threshold values. I included a quick hint here but it is very well explained in the link.
$endgroup$
– user20105
6 hours ago
$begingroup$
Being new to Bayesian games, it seems like methods for solving such games (including auctions) rely on us assuming some form for the strategies and then proceeding (an example is the threshold equilibrium in the above game). Would there be any exhaustive methods for solving Bayesian games?
$endgroup$
– Student
50 mins ago
2
2
$begingroup$
Ideally you would post a short description of the linked content, because links break over time. You can give a name that people can google, quote, etc.
$endgroup$
– Giskard
7 hours ago
$begingroup$
Ideally you would post a short description of the linked content, because links break over time. You can give a name that people can google, quote, etc.
$endgroup$
– Giskard
7 hours ago
$begingroup$
Fantastic. I must point out that the question had a hint about threshold values which is what confused me. Perhaps that is covered in your link.
$endgroup$
– Student
7 hours ago
$begingroup$
Fantastic. I must point out that the question had a hint about threshold values which is what confused me. Perhaps that is covered in your link.
$endgroup$
– Student
7 hours ago
$begingroup$
I have modified it to include the idea and reference @Giskard, thanks for the tip
$endgroup$
– user20105
6 hours ago
$begingroup$
I have modified it to include the idea and reference @Giskard, thanks for the tip
$endgroup$
– user20105
6 hours ago
1
1
$begingroup$
@Student yes, there is a Bayesian equilibrium with threshold values. I included a quick hint here but it is very well explained in the link.
$endgroup$
– user20105
6 hours ago
$begingroup$
@Student yes, there is a Bayesian equilibrium with threshold values. I included a quick hint here but it is very well explained in the link.
$endgroup$
– user20105
6 hours ago
$begingroup$
Being new to Bayesian games, it seems like methods for solving such games (including auctions) rely on us assuming some form for the strategies and then proceeding (an example is the threshold equilibrium in the above game). Would there be any exhaustive methods for solving Bayesian games?
$endgroup$
– Student
50 mins ago
$begingroup$
Being new to Bayesian games, it seems like methods for solving such games (including auctions) rely on us assuming some form for the strategies and then proceeding (an example is the threshold equilibrium in the above game). Would there be any exhaustive methods for solving Bayesian games?
$endgroup$
– Student
50 mins ago
|
show 3 more comments
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