Oligopoly: How It Works, Why It Exists, and Its Characteristics, Advantages, and Disadvantages Introduction The four primary market structures include perfect competition, monopolistic competition, monopoly, and oligopoly. All of them describe different variations of competitive environments with varying levels of control in a market; however, among them, oligopoly is denoted as the... https://finxl.in/financial-modelling-online-classes-courses-training.html