Session 7: Market Growth with Boom and Bust

Value of the Information & Strength of the Argument

The session offers practical heuristics for building complex system dynamics models, such as ‘chunking’ to isolate independent parts, verifying stock conservation, and precisely defining time constants. The argumentation is rigorous; the instructor justifies each recommendation with concrete examples from student submissions and clarifies common pitfalls, such as conflating production capacity with work-in-progress limits. The interactive format allows immediate feedback, enhancing the learning value and addressing specific student misconceptions.

Scientific Rigor, Source Quality, Title Accuracy

The content is methodologically rigorous, grounded in established system dynamics practice. No external citations are given, but the instructor’s expertise and the MIT OCW framework provide authority. The title is appropriate, explicitly mentioning market growth and boom-bust, which the session addresses through model behavior. The visual aids (student models) support the explanation, and the session’s critical review of formulations demonstrates a high standard of scientific rigor.

The title accurately reflects the session's focus on market growth models and the cyclical boom-bust dynamics arising from production and capacity delays.

8/10

Hazhir Rahmandad, a professor at MIT, provides expert guidance on system dynamics modeling. The discussion is pedagogically sound, but it is a classroom session rather than peer-reviewed research.

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

• 00:00Introduction to the market growth model and objectives.
• 05:00Jake's difficulty in iterative modeling; instructor suggests a modular approach.
• 15:00Review of Ross's model: combining customer and demand sectors.
• 30:00Oriana's model segmentation: potential, interested, and current customers.
• 45:00Ann's model with cash reserve and work-in-process; discussion on necessity.
• 1:00:00Gerard's model incorporates repurchase decisions and potential adopters.
• 1:30:00Deep dive into Jake's capacity formulation; instructor points out unit inconsistencies.
• 2:00:00Discussion on perceived versus actual delivery delay and reputation adjustment.

• MIT OpenCourseWare 15.879 Course — Course page for 15.879, including complete resources.
• YouTube Playlist — Playlist for the course sessions.
• OCW Terms — Terms of use for OCW materials.
• Support OCW — Donation link supporting OCW.

• ocw.mit.edu
• ocw.mit.edu