Market StructureOnline version Matching Market Structure by Jake Finley 1 Perfect Competition 2 Monopolistic Competition 3 Oligopoly 4 Monopoly large number of businesses many well-informed buyers difficult to raise prices consumers have more control over the market each business has a small share of the market prices are determined competitively large of number of independent businesses differentiating products is important small number of businesses that gain a majority of sales revenue goods are similar and are close substitutes businesses can influence prices hard to enter the market only one provider of good or service companies can charge whatever price they like barriers make entry into business very difficult