gametheory101.com This lecture introduces the idea of duopolistic competition: two firms competing with one another to extract as much value as they can. Duopoly is a middle case between monopoly and perfect competition, and is a special type of oligopoly. Overall, the course will cover competition of five varieties: quantity produced (both Cournot and Stackelberg), price (Betrand), effort (Tullock contests), timing (duels), and spatial location (Hotelling). If you need a refresher on game theory, check the main Game Theory 101 playlist:    • Game Theory 101 Full Course