Perfect Competition
→ Eg. Corn, Strawberries, Milk
Monopolistic Competition
→ Eg. Fast Food Chains, Furniture Stores, Shoe Stores
Oligopoly
→ Eg. Cell Phones, Service Providers, Cars
Monopoly
→ Eg. The Electric Company, De Beers
Economies Of Scale
Superior Technology
Geography Or Ownership Of Raw Materials
Government-created Barriers
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