Game Theory

Extensive Form
A comprehensive entry defining the extensive form in game theory, including its meaning and application.
Player
The term 'player' in economics refers to any participant in a strategic situation being modeled, particularly within the context of game theory.
Strategic Interaction
A comprehensive examination of strategic interaction where the decisions of economic agents affect each other's payoffs, commonly analyzed through game theory.
Isoprofit Curve
A detailed entry on the concept of an isoprofit curve, its definitions, meanings, and applications in various economic frameworks.
Stackelberg Duopoly
An economic model of duopoly where one firm acts as a leader and the other as a follower, influencing each other's strategic decisions.
Strategic Behaviour
An introduction to the concept of strategic behaviour in economics and its implications.
Differential Game
A game set in continuous time, where the change in the state variable is determined by the strategies of the two players.
Battle of the Sexes
A game theory concept illustrating gains from coordination and the difficulties in achieving it
Closed-Loop Equilibrium
An equilibrium concept in multi-stage games where players are informed about the previous strategy choices of opponents.
common knowledge
A comprehensive entry discussing the concept of common knowledge, its implications, and how it is utilized in economics, particularly in game theory.
Cooperative Game
A comprehensive overview of cooperative game theory, including its definition, historical context, and major analytical frameworks.
Credible Threat
A comprehensive look at the concept of a credible threat in economics, its definition, and relevance across various economic theories.
Dominant Strategy
A strategy in game theory that results in the highest payoff for a player, regardless of the strategy adopted by others.
Dynamic Inconsistency
A situation in which the optimal plan of a decision-maker made at one point in time is no longer optimal later in time.
First-Mover Advantage
The strategic advantage to being the first to act in various economic contexts.
Folk Theorem
An examination of the Folk Theorem in the context of game theory, defining its significance and implications as established in economics.
Game of Chicken in Economics
An analysis of the Game of Chicken, a two-player game illustrating potential conflicts and outcomes.
Game Theory
The analysis of strategic situations where one agent's actions affect another's pay-off, providing a formal model for strategic interaction.
Industrial Economics — Definition and Meaning
The field of economics devoted to the study of decision-making by firms and the interaction between firms in the marketplace.
Mechanism Design
The construction of a game of strategic interaction that achieves a specific outcome in economics.
minimax
The objective in decision theory of minimizing the maximum loss.
Multiple Equilibrium
The existence of more than one solution to the equations describing the equilibrium of an economic model.
Nash Equilibria
An analysis of Nash equilibria in game theory, examining pure and mixed strategies, their implications, and examples.
Nash Equilibrium
An exploration of the Nash equilibrium, a fundamental concept in game theory, including its definitions, historical context, major frameworks, and applications.
Nash Equilibrium
An exploration of the Nash equilibrium, a fundamental concept in game theory, including its definitions, historical context, major frameworks, and applications.
Nucleolus
An economic term used in cooperative game theory to refer to a configuration of pay-offs that minimizes the maximum dissatisfaction among coalitions.
Open-Loop Equilibrium
An equilibrium in multi-stage games where players do not observe previous strategies, allowing no strategy revision.
Pay-Off Matrix
A comprehensive look at the concept of pay-off matrix in game theory.
Pooling Equilibrium
An equilibrium where agents with differing characteristics choose the same action, common in markets such as insurance.
Pre-Commitment
An exploration of the concept of pre-commitment in economics and its various theoretical and practical implications.
Prisoners’ Dilemma
A two-player game illustrating the conflict between private and social incentives, and the importance of binding commitments.
Punishment Strategy
A strategy used in repeated games to secure outcomes not achieved by a single play Nash equilibrium.
Reaction Curve
An optimal strategy of one player in a game expressed as a function of the strategy choices of other players
Repeated Game
A game that is repeated a number of times in future periods, influencing strategy and reputation considerations among participants.
Second-Price Auction
An auction type where the highest bidder wins but pays the price bid by the second-highest bidder
Separating Equilibrium
An equilibrium in which agents with different characteristics choose different actions.
Shapley Value
A process for determining a fair allocation in a cooperative game, using the Shapley value concept.
Strategy
An exploration of the concept of strategy within the context of game theory, including dominant and mixed strategies and their implications.
Subgame in Game Theory
Definition, historical context, and analytical frameworks for understanding the concept of a subgame in economics and game theory.
Tit for Tat Strategy
An exploration of the Tit for Tat strategy in repeated games, particularly the Prisoner's Dilemma.
Trigger Strategy
A strategy used in repeated non-cooperative games where a player cooperates until the opponent defects, triggering subsequent punishment.
Trust
An exploration of trust in economic contexts, particularly in situations of asymmetric information and repeated games.
Unique Equilibrium
Definition and examination of the term unique equilibrium in economics.
Zero-Sum Game
Definition and analysis of the economic concept Zero-Sum Game
Zero-Sum Game
Definition and analysis of the economic concept Zero-Sum Game
Cournot Duopoly
An analysis and definition of the concept of Cournot Duopoly within economic theory