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Principles of Microeconomics / Unit 9   MIC 0824 short lesson, about 20 seconds

The Prisoner's Dilemma

Captions available

The idea

Two suspects, questioned apart, each do better by confessing whatever the other does, so both confess and serve longer than if both had stayed silent. Self-interest beats cooperation though cooperation pays more.

In practice

Silent together, two years each; both confess, five each; one confesses, one against eight.

Where people slip

The dilemma is the gap between the cell they reach and the one both would prefer.

Your place on the trail

Every lesson rests on earlier ones and opens later ones. Tap any to jump.

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