The Four Types of Market Structure Number of firms? Many fi Irms One firm Few Type of Products? firms Differentiated Identical pI roalucts products Monopol Oligopoly Monopolistic Perfect Competition Competition ● Tap water Tennis balls Novels e Wheat e Cable Tv Crude oil ● Movies e MilkThe Four Types of Market Structure Monopoly Oligopoly Monopolistic Competition Perfect Competition • Tap water • Cable TV • Tennis balls • Crude oil • Novels • Movies • Wheat • Milk Number of Firms? Type of Products? Many firms One firm Few firms Differentiated products Identical products