Lecture 2: Representation of Games

The lecture provides a solid introduction to game theory representations, suitable for an undergraduate economics course. The instructor’s use of examples, such as the beauty contest and the BoS game, effectively illustrates abstract concepts. The explanation of extensive form games is clear, with attention to the role of Nature and the distinction between consequences and utilities. The emphasis on the definition of a strategy is well-placed, as it is a common source of confusion. However, the lecture could benefit from more formal definitions and notation, as it sometimes relies on intuitive explanations. The sources cited are primarily the course materials and MIT OpenCourseWare, which are reliable but not exhaustive. The content is accurate and aligns with standard game theory textbooks. The adéquation between title and content is strong, as the lecture indeed focuses on representations of games. Overall, the lecture is informative and pedagogically effective, though it may not delve deeply into advanced topics or alternative representations.

The title accurately reflects the content, which focuses on different representations of games (extensive and strategic form).

8/10

The lecture is part of MIT OpenCourseWare, a reputable academic institution, and is delivered by an instructor with clear expertise. The content is well-structured and aligns with standard game theory concepts. However, as a lecture, it lacks peer review and may not cover all nuances.

Markers derived by PSI from the transcript: the creator did not define chapters.

• 00:00Introduction and beauty contest game
• 05:00Review of individual decision-making and utility
• 10:00Definition of extensive form game and example of investment game
• 15:00Example of BoS game and discussion of conflict and coordination
• 20:00Introduction to the concept of strategy
• 25:00Transition to strategic form games and summary

• MIT OpenCourseWare — Platform hosting the course materials
• Course page — Official course page with additional resources
• YouTube Playlist — Playlist of all lectures in the course
• OCW Support — Link to support OCW
• OCW Terms — Terms of use for OCW materials
• OCW Comments Policy — Policy for comments on OCW platforms

• Game Theory (Stanford Encyclopedia of Philosophy) — Philosophical overview of game theory, consistent with lecture content.
• Game Theory (Investopedia) — Introductory article on game theory, aligning with the lecture's scope.