3/4 Philosophy

Introduction to the Prisoner's Dilemma

  • Influence across disciplines: The prisoner's dilemma has significantly impacted ethics, economics, and game theory.

The Prisoner's Dilemma Scenario

  • Setting: Imagine living in a totalitarian state (e.g., Stalinist Russia).

    • Situation: You and an unknown accomplice are arrested for conspiracy against the state.

    • Options: You can either confess or remain silent.

Outcomes Based on Choices:

  1. Both Confess:

    • Each person receives 5 years in prison (enough evidence due to both confessions).

  2. You Confess, They Don't:

    • You get a plea bargain, serving 1 year in prison.

    • The accomplice serves 10 years due to your testimony.

  3. They Confess, You Don't:

    • They receive a plea bargain (1 year), and you serve 10 years.

  4. Both Remain Silent:

    • Lack of evidence leads to 2 years in prison each (due to trumped-up charges).

Rational Decision-Making in the Dilemma

  • Rational Self-Interest: The logical choice is to confess.

    • Justification: Regardless of the other person's choice, confession minimizes your prison time:

    1. If they confess: 5 years (instead of 10).

    2. If they don't confess: 1 year (instead of 2).

  • Consequences: If both act rationally (confess), both will serve more time than if both remained silent.

Broader Implications of the Prisoner's Dilemma

  • Commonality: Prisoner's dilemmas manifest in various real-life situations, such as

    • Economic decisions (arms race),

    • Environmental issues (littering and recycling).

Historical Example: Cold War Arms Race

  • Choices for the US and USSR:

    • Both countries could choose to arm or disarm.

  • Outcomes:

    1. Both Arm: A costly arms race.

    2. US Arms, USSR Doesn't: US wins strategically.

    3. USSR Arms, US Doesn't: USSR wins strategically.

    4. Both Disarm: Peaceful coexistence.

  • Rational Choice: For either country, the rational option appears to arm, leading to possible escalation regardless of the other's choice.

Everyday Examples: Littering in Parks

  • Choices Regarding Trash Disposal:

    • Options include littering or seeking a trash can.

  • Rational Decisions:

    1. If everyone litters, the area becomes unattractive.

    2. If you litter and others don’t: favorable for you but contributes to pollution.

    3. If you and everyone else discards trash responsibly, the area remains clean.

  • Conclusion: Similar to the previous examples, the rational self-interest leads to littering for individuals, remaining detrimental for the environment overall.

Theoretical Frameworks: Kant's Ethical Approach

  • Kant's Categorical Imperative Process: To mitigate dilemmas, assess moral actions by following these steps:

    1. Maxim Creation: Formulate a rule (e.g., "I will litter when convenient").

    2. Generalization: Imagine everyone adopting that rule.

    3. World Hypothesis: Envision the implications if everyone abides by the rule.

    4. Tests: Validate if moral outcomes align with universal betterment.

    • Kant's Conclusion on Littering: Littering fails ethical tests, demonstrating it as impermissible and morally wrong.

Critiques and Alternatives to Kantian Ethics

  • Worries with Kant's Theory:

    • Consistent Evils: Maxims possibly lead to universally accepted yet harmful actions.

    • Inconsistent Trivialities: Simple, innocuous actions become impermissible on Kant's model.

  • Rawls' Suggestions:

    • Proposes a consensual agreement to universal rules, focusing on collective well-being rather than mere logic.

Veil of Ignorance Concept by Rawls

  • Key Principles Behind the Concept:

    • Participants are stripped of personal circumstances when proposing rules.

    • Parameters of Ignorance:

    • Unknown attributes: race, class, gender, capabilities.

    • Known assumptions: rationality and a desire for basic goods (resources, liberties, protections).

  • Rational Choice Justification

    • Rules must benefit all regardless of individual traits, guiding toward better outcomes for everyone.

Moral Implications and Critiques of Rawls' Theory

  • Focus on Rational Beings: Worries about excluding non-rational entities (e.g., animals, babies) from moral considerations.

    • Rational actors likely won't advocate for resources or protections for non-rational beings.

  • Complexity of Rationality: Issues emerge attempting to define rational decision-making.

    • Variability in risk perception (risk-averse vs. risk-seeking agents) leads to different policy endorsements.

    • Basic goods weighing debate could result in disparate moral conclusions.

Testing the Theory: Real-World Application

  • Curved Grading Scenario in Education:

    • Choices for Students: Study or not study for an upcoming test.

    • Rational Self-Interest Analysis:

    • Study leads to higher grades if everyone studies, but presents an individual effort cost.

    • Conversely, not studying can yield a high individual opportunity at the expense of general outcomes.

  • Conclusion: Class settings reflect systematic prisoner's dilemmas, influencing personal and collective academic outcomes.