Perfect Competition Market where there are numerous buyers and sellers No one entity or thing can affect the prices Four conditions must exist to create this situation: Large Market Similar Products Easy Entry and Exit Obtainable Information
Imperfect Competition Monopoly Oligopoly A single seller controls the good/service and directly determines the price Characteristics Single Seller No substitutes No entry Almost complete control of market price A few suppliers that exercise some control over price dominance Characteristics Domination by a few sellers Barriers to entry Identical or slightly different products Nonprice competition Limited control over price
Monopolistic Competition Large numbers of sellers offer similar/slightly different products Characteristics Numerous sellers** Relatively easy entry** Differentiated products** Non-price competition Some control over price **Differences of Oligopoly and Monopolistic Competition