The four kinds of free-market competition are perfect competition, monopolistic competition, oligopoly, and monopoly. The following list contains various examples of industries, products, and services. For each, decide on its degree of competition by indicating one of these: perfect competition (PC), monopolistic competition (MC), oligopoly (O), or monopoly (M). Discuss your decisions in pairs or in groups.
1. Wireless service providers
2. Printed newspapers
3. Streamed online or TV movies
4. Commercial banks
5. Makers of laundry detergent (Procter & Gamble and Unilever have most of the market share)
6. Tomatoes and corn
7. Airliner market (Boeing and Airbus)
8. Online schools
9. Viagra (patent expiration is 2019)
10. Energy drinks
11. Pet apparel Toothpaste
12. Grapes and apples
13. Beer industry (Anheuser-Busch and MillerCoors control about 80%)
14. Television industry
15. Automobile industry
16. Diamond industry (De Beers Diamonds)