The term Prisoner’s Dilemma was coined by mathematician Albert W. Tucker in 1950, as a game theory concept to illustrate the tension between individual rationality and collective cooperation.
The Prisoner’s Dilemma is a scenario in which two individuals, who are suspected of committing a crime together, are interrogated separately.
- If one person confesses and implicates the other, they receive a reduced sentence while the other person receives a harsher punishment.
- If both individuals stay silent, they both receive a moderate sentence.
- If both individuals confess, they both receive a somewhat harsher sentence.
The dilemma arises because each person is faced with a choice between cooperating with their partner and staying silent, or betraying their partner and confessing. If both individuals choose to stay silent, they both receive a moderate sentence, which is the best outcome for the collective group. However, if one person betrays the other, they can receive a reduced sentence, while the other person receives a harsher punishment.
From a rational individual’s perspective, confessing is always the best choice, regardless of what the other person does. However, if both individuals choose to confess, they both end up with a worse outcome than if they had both stayed silent. This illustrates the tension between individual rationality and collective cooperation.
The Prisoner’s Dilemma is used to study strategic decision-making in a variety of fields, including economics, psychology, and political science. It has implications for many real-world scenarios, such as arms races, environmental issues, and business competition, where individuals must choose between cooperation and self-interest.
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