1. GROUP MEMBER Võ Thị Thanh Phương Hồ Xuân Thảo Nguyên Trần Thục Văn Võ Hoàng Ngọc Uyên Phan Huỳnh Mỹ Tiên

14. MONOPOLISTIC COMPETITION

15. MONOPOLISTIC COMPETITION

16. MONOPOLISTIC COMPETITION

17. MONOPOLISTIC COMPETITION

18. MONOPOLISTIC COMPETITION

24. Monopoly

28. Increase individual member’s profit by reducing competition Firm B normal advertising Firm B aggressive advertising Firm A normal advertising earns $50 profit A: $0 profit Firm B: $80 profit Firm A aggressive advertising A: $80 profit Firm B: $0 profit earns $15 profit

29. 6 movie studios receive 90% of American film revenues U.S./Canada market share(2008) 18.4% 13.2% 12.4% 16.4% 12.7% 10.5%

30. 4 major music companies receive 80% of recording revenues

31. Television industry 1950s  1970s Today

32. 3 leading food processing companies

33. In Vietnam

39. CONCLUSION Market Structure Seller Entry Barriers Seller Number Buyer Entry Barriers Buyer Number Perfect Competition No Many No Many Monopolistic competition No Many No Many Oligopoly Yes Few No Many Oligopsony No Many Yes Few Monopoly Yes One No Many Monopsony No Many Yes One