On Derek Parfit's "Prudence, Morality, and the Prisoner's Dilemma" (1978). What is a "prisoner's dilemma" and what is its relevance to ethics? In general, it's better for me if I break norms so long as others in general follow them, but if we all try to be free riders in this way, then no one gets to ride at all. Parfit considers variations of this situation and lays out legislative and ideological/psychological strategies for addressing them.

Read along with us.

You can choose to watch this on video.Learn more about your ad choices. Visit megaphone.fm/adchoices