Why rational choices can lead to collectively worse outcomes
In short: Explore the Prisoner's Dilemma, the foundational paradox of game theory. This video explains why two individuals acting in their own best interest can end up with a worse result than if they had cooperated.
The video introduces the Prisoner's Dilemma as a counterintuitive scenario where both parties have a 'dominating strategy' to confess, even though mutual silence would yield a better collective result. This creates a stable state known as a Nash Equilibrium.
By using a payoff matrix to encode information, the presentation demonstrates how to reason about likely outcomes in competitive and cooperative games. It serves as the starting point for a broader study of game theory, including Normal Form, Sequential Form, and mixed Nash Equilibria.
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Sources
- Summary by Intellect · source: THE PRISONER'S DILEMMA // Intro to Game Theory // Episode 1
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