1. Imperfectly Competitive Markets

2. Oligopolies – market structure in which a few large sellers control most of the production of a good or service 3 ConditionsOnly a few large sellers Similar or identical products Other sellers can’t enter/exit the market easily

3. Oligopolies at Work Non-Price Competition: differentiation Price Leadership Price War

4. Interdependent Pricing Auto companies often look to competitors before pricing new models Why price my model lower than the competition? Relying on brand name loyalty

5. Price Leadership One seller decides: Production costs are eating into profits Must raise prices! Other sellers sometimes follow suit

6. Price War

7. Collusion Did baseball owners secretly agree to hold down player salaries? Powerful members of an oligopoly agree to limit competition and control the market

8. Cartels Powerful members of an oligopoly openly agree to limit competition and control production/prices, etc. Organization of Petroleum Exporting Countries OPEC

9. Monopolies Market structure where one seller dominates the market No competition exists 3 Conditions: There is a single seller No close substitute goods Other sellers can’t enter market easily

10. Consequences of Monopolies: Consumers have limited choices Prices tend to be high No incentive for producer to be efficient Limitations on Monopolies Consumer Demand: If prices too high, demand will be zero! Potential Competition: If profits high enough, other sellers will compete Government Regulation: Ensure competition, protect consumers and other producers

11. Types of Monopolies Natural Monopoly Competition is inconvenient or impractical Often due to economies of scale Not common!

12. Geographic Monopoly Exists when a market’s potential profits are limited by it’s geographic location Not enough demand to support more than one seller Not common: communications, mobility of society, etc Example: mom and pop grocery store out in the country

13. Technical Monopoly When a producer develops a new technology that changes the way an existing product is made or allows for the creation of a new product. Government grants a patent Protects company’s investment in research and development – 17 years 17 year monopoly! No other company can manufacture or sell the product

15. Government Monopoly Exists when government allows cities, counties, etc to monopolize products and services.