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Lecture 20 - Subgame Perfect Equilibrium: Wars of Attrition

Analyses wars of attrition in short and potentially continuing games, asking why costly conflict can persist under particular rational-choice assumptions.

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Why it is here

Useful for separating an unpleasant outcome from a diagnosis of irrationality. Reconstruct the assumed payoffs before applying the lesson to any real conflict.

Selection basis: institutional collection. Reason checked 2026-11-07 by agent.

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Editorial judgement: the official course requires introductory microeconomics and uses one-variable calculus, probability and expectation. The introductory subject title does not mean that no preparation is needed.
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Provenance and reuse

Open Yale Courses; original source https://oyc.yale.edu/economics/econ-159/lecture-20. Link by default. Source terms require credit to original faculty, Yale and the course URL, plus licence. Inspect individual credits before copying. Commercial reuse and third-party assets require separate review.. Links, factual metadata and original navigation annotations only. No source page, transcript, image, video or restricted platform metadata is included in the reusable export.

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