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Questions and Answers
What is the principle of Nash equilibrium?
What is the principle of Nash equilibrium?
Each player has no incentive to unilaterally change their strategy
Who is the mathematician after whom the Nash equilibrium is named?
Who is the mathematician after whom the Nash equilibrium is named?
John Nash
How is a Nash equilibrium defined in a non-cooperative game?
How is a Nash equilibrium defined in a non-cooperative game?
Each player knows the equilibrium strategies of the other players and has nothing to gain by changing their own strategy
What constitutes a Nash equilibrium in a game?
What constitutes a Nash equilibrium in a game?
When did the principle of Nash equilibrium originate?
When did the principle of Nash equilibrium originate?
Who is the mathematician after whom the Nash equilibrium is named?
Who is the mathematician after whom the Nash equilibrium is named?
What is the principle of Nash equilibrium based on?
What is the principle of Nash equilibrium based on?
When does a set of strategy choices constitute a Nash equilibrium?
When does a set of strategy choices constitute a Nash equilibrium?
How did Cournot contribute to the principle of Nash equilibrium?
How did Cournot contribute to the principle of Nash equilibrium?
What defines a Nash equilibrium for two players Alice and Bob and their strategies A and B?
What defines a Nash equilibrium for two players Alice and Bob and their strategies A and B?
Flashcards
Nash Equilibrium Principle
Nash Equilibrium Principle
No player benefits by unilaterally changing their strategy.
Nash Equilibrium Named After
Nash Equilibrium Named After
John Nash.
Nash Equilibrium Definition
Nash Equilibrium Definition
Players know each other's strategies and gain nothing by changing their own.
Nash Equilibrium Outcome
Nash Equilibrium Outcome
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Nash Equilibrium Origin
Nash Equilibrium Origin
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Nash Equilibrium Basis
Nash Equilibrium Basis
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Nash Equilibrium Criteria
Nash Equilibrium Criteria
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Cournot's Contribution
Cournot's Contribution
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Nash Equilibrium for Two Players
Nash Equilibrium for Two Players
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The 'Nash' in Nash Equilibrium
The 'Nash' in Nash Equilibrium
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Study Notes
Nash Equilibrium
- The Nash equilibrium is a concept in game theory that describes a state where no player can improve their outcome by unilaterally changing their strategy, assuming all other players keep their strategies unchanged.
Origin and Namesake
- The Nash equilibrium is named after John Nash, an American mathematician who introduced the concept in the 1950s.
Definition in Non-Cooperative Games
- In a non-cooperative game, a Nash equilibrium is defined as a set of strategies, one for each player, where no player can improve their payoff by changing their strategy, assuming all other players keep their strategies unchanged.
Constituents of a Nash Equilibrium
- A set of strategies constitutes a Nash equilibrium if no player has an incentive to deviate from their chosen strategy, given the strategies of all other players.
History of the Principle
- The principle of Nash equilibrium originated in the 1950s, introduced by John Nash.
Principles and Assumptions
- The Nash equilibrium is based on the assumption that all players are rational and act in their own self-interest.
Conditions for a Nash Equilibrium
- A set of strategy choices constitutes a Nash equilibrium if no player can improve their payoff by unilaterally changing their strategy, assuming all other players keep their strategies unchanged.
Contributions to the Principle
- Antoine Augustin Cournot, a French mathematician, laid the groundwork for the concept of Nash equilibrium through his work on oligopoly, which was later developed by John Nash.
Nash Equilibrium for Two Players
- For two players, Alice and Bob, with strategies A and B, a Nash equilibrium is defined as a pair of strategies (A, B) where neither player can improve their payoff by unilaterally changing their strategy, assuming the other player keeps their strategy unchanged.
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