Lecture 25: Common Knowledge @mitocw
Lecture 25: Common Knowledge  @mitocw
Uploaded May 2026 | Updated September 2026, 3 weeks ago
MIT 14.12 Economic Applications of Game Theory, Fall 2025
Instructor: Ian Ball
View the complete course: https://ocw.mit.edu/courses/14-12-economic-applications-of-game-theory-fall-2025/
YouTube Playlist: youtube.com/playlist?list=PLUl4u3cNGP63quuKvMHCt3cmTmt0O2qpv

In this last lecture, Ian Ball introduces the concept of common knowledge, which is when all players know a piece of information, all players know that all other players know it, and this continues infinitely.

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Lecture 25: Common Knowledge

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