Monopolistic Competition and Oligopoly 13... Price and Output in Monopolistic Comp monopoly because there are more rivals and substitutes competition because there are fewer rivals and i
Trang 1Monopolistic Competition
and Oligopoly
13
Trang 2Monopolistic Competition
•
Trang 3Monopolistic Competition
Trang 4Price and Output in Monopolistic
Comp
monopoly because there are more rivals and substitutes
competition because there are fewer rivals and imperfect substitutes
Trang 5Monopolistic Competition:
Efficiency
Trang 6products
Trang 7Oligopolistic Industries
Trang 8High Concentration Industries
(1)
Industry
(2)
4-Firm Concentration Ratio
(3) Herfindahl Index
(1) Industry
(2)
4-Firm Concentration Ratio
(3) Herfindahl Index
Primary copper 99 ND Petrochemicals 85 2662 Cane sugar refining 99 ND
Small arms ammunition 83 1901 Cigarettes 95 ND Motor vehicles 81 2321 Household laundry
equipment 93 ND
Men’s slacks and jeans 80 2515 Beer 91 ND Aircraft 81 ND
Electric light bulbs 89 2582 Breakfast cereals 78 2521
Glass containers 88 2582 Household vacuum cleaners 78 2096 Turbines and
generators 88 ND Phosphate fertilizers 78 1853
Household
refrigerators and
freezers 85 1986
Tires 77 1807 Electronic
computers 76 2662 Primary aluminum 85 ND Alcohol distilleries 71 1609
Trang 93 Oligopoly Models
Trang 10Kinked Demand Curve
Trang 11Overt Collusion
improves control of price, profits rise, and prevents entry of firms
that collude
members
Trang 12Covert Collusion
social settings between firms about price and output
Trang 13Obstacles to Collusion
Trang 14Global Perspective
Trang 15Price Leadership Model
changes
firms
Trang 16Oligopoly and Efficiency