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The prisoner's dilemma is a game theory thought experiment involving two rational agents, each of whom can either cooperate for mutual benefit or betray their partner ("defect") for individual gain. The dilemma arises from the fact that while defecting is rational for each agent, cooperation yields a higher payoff for each.
The prisoner's dilemma model is crucial to understanding the collective problem because it illustrates the consequences of individual interests that conflict with the interests of the group. In simple models such as this one, the problem would have been solved had the two prisoners been able to communicate.
The prisoner's dilemma is a standard example in game theory. Prisoner's dilemma may also refer to: Prisoner's Dilemma, a 1988 novel by Richard Powers; The Prisoner's Dilemma (audio drama), a 2009 audiobook based on Doctor Who; The Prisoner's Dilemma, a 2001 play by David Edgar
The optional prisoner's dilemma (OPD) game models a situation of conflict involving two players in game theory. It can be seen as an extension of the standard prisoner's dilemma game, where players have the option to "reject the deal", that is, to abstain from playing the game. [ 1 ]
The prisoners enter the room, one after another. Each prisoner may open and look into 50 drawers in any order. The drawers are closed again afterwards. If, during this search, every prisoner finds their number in one of the drawers, all prisoners are pardoned. If even one prisoner does not find their number, all prisoners die.
Three prisoners, A, B, and C, are in separate cells and sentenced to death. The governor has selected one of them at random to be pardoned. The warden knows which one is pardoned, but is not allowed to tell. Prisoner A begs the warden to let him know the identity of one of the two who are going to be executed. "If B is to be pardoned, give me C ...
To avoid the worst-case outcome of the prisoner’s dilemma, though, the company has hedged its bets. It seeks out fellow corporate climate leaders and sells them on its new CO2-light products.
Melvin Dresher (born Dreszer; March 13, 1911 – June 4, 1992) was a Polish-born American mathematician, notable for developing, alongside Merrill Flood, the game theoretical model of cooperation and conflict known as the Prisoner's dilemma while at RAND in 1950 (Albert W. Tucker gave the game its prison-sentence interpretation, and thus the name by which it is known today).