More Lessons Less Planning
Oligopoly - When a Few Dominate

Teacher Presentation Notes

Restaurant ownership at 10 percent concentration shares a ranking card with wireless carriers at 96, both pulled from the CR4 threshold list used to test whether a market actually counts as an oligopoly.

Oligopoly - When a Few Dominate cover
Download the Teacher Presentation Notes
Word (.docx)

Did this save you a prep period? You can chip in toward my three kids' daycare fund. Everything on this site stays free either way.

Quick start

  1. Download the file with the button above.
  2. Open it in Word, Google Docs, or whatever your school gives you.
  3. Print it or assign it. There is nothing to unzip and no account to make.
Fact-checked and print-tested before it went on the shelf. How we verify →

The rest of this toolkit

Back to Oligopoly - When a Few Dominate →

Tip jar