Imperfect Competition: Monopolistic Competition & Oligopoly
Before we begin, let's learn the method used to identify a particular industry's market structure. We use two methods in this process: the 4-firm concentration ratio and the HHI.
Watch this video before coming to class! It will take you through the 4-Firm Ratio and the HHI.
4-Firm/HHI and Monopolistic Competition Practice Excerise: here
Imperfect Competition: Monopolistic Competition
Imperfect Competition: Oligopoly
Monopolistic Competition Promethean Board NOTES: here Oligopoly Promethean Board NOTES: here
Imperfect Competition Video
Oligopoly: Game Theory Video
Monopolistic Competition Video