9. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
10. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
11. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
12. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many
13. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One
14. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many
15. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
16. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
17. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical
18. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique
19. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated
20. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
21. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
22. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy
23. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy Blocked
24. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy Blocked Easy
25. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy Blocked Easy Hard
26. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy Blocked Easy Hard
Examples
27. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy Blocked Easy Hard
Examples
Commodities
Rice
28. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy Blocked Easy Hard
Examples
Commodities
Rice
Government
Utilities
29. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy Blocked Easy Hard
Examples
Commodities
Rice
Government
Utilities
Brands
Clothing
Restaurants
30. The Four Market Structures
Perfect
Competition
Monopoly
Monopolistic
Competition
Brand
Oligopoly
Number of
Firms
Many One Many Few
Type of
Product
Identical Unique Differentiated Either
Ease of
Entry
Easy Blocked Easy Hard
Examples
Commodities
Rice
Government
Utilities
Brands
Clothing
Restaurants
Manufacturing
Cars
Computers
60. Q
$
Short Run
D
MR
MC
QS
PS
Monopolistic Competition
61. Q
$
Short Run
D
MR
MC
ATC
QS
PS
Monopolistic Competition
62. Q
$
Short Run
D
MR
MC
ATC
QS
PS
Monopolistic Competition
63. Q
$
Short Run
D
MR
MC
ATC
QS
PS
Monopolistic Competition
64. Q
$
Short Run
D
MR
MC
ATC
QS
PS
Monopolistic Competition
65. Q
$
Short Run
D
MR
MC
Profit ATC
QS
PS
Monopolistic Competition
66. Q
$
Short Run
D
MR
MC
Profit ATC
High Price
Large Quantity
QS
PS
Monopolistic Competition
67. Q
$
Short Run
Long Run
D
MR
MC
Profit ATC
High Price
Large Quantity
QS
PS
Monopolistic Competition
68. Q
$
Short Run
Long Run
D
MR
MC
ATC
High Price
Large Quantity
QS
PS
Demand Flattens
Monopolistic Competition
69. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
QS
PS
Demand Flattens
Monopolistic Competition
70. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
QS
PS
Demand Flattens
Monopolistic Competition
71. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
QS
PS
Demand Flattens
Monopolistic Competition
72. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
QS
PS
Demand Flattens
Monopolistic Competition
73. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
QS
PS
Demand Flattens
Monopolistic Competition
74. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
Lower Price
Lower Quantity
QS
PS
Demand Flattens
Monopolistic Competition
75. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
Lower Price
Lower Quantity
Q QS
PS
P
L
L
Demand Flattens
Monopolistic Competition
76. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
Lower Price
Lower Quantity
Q QS
PS
P
L
L
Demand Flattens
Monopolistic Competition
77. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
Lower Price
Lower Quantity
Q QS
PS
P
L
L
Demand Flattens
Monopolistic Competition
78. Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
Lower Price
Lower Quantity
Q QS
PS
P
L
L
Demand Flattens
Monopolistic Competition
79. Monopolistic Competition
Q
$
Short Run
Long Run
MC
MR D
ATC
High Price
Large Quantity
Lower Price
Lower Quantity
Q QS
PS
P
L
L
Demand Flattens
Profit
80. Monopolistic Competition
Q
$
Short Run
High Price
Large Quantity
Long Run
MC
MR D
ATC
Lower Price
Lower Quantity
Profits disappear
in the long run
due to
competition
Q QS
PS
P
L
L
Demand Flattens
Profit
81. Monopolistic Competition
Q
$
Short Run
High Price
Large Quantity
Long Run
MC
MR D
ATC
Lower Price
Lower Quantity
Profits disappear
in the long run
due to
competition
Q QS
PS
P
L
L
Demand Flattens
Profit
82. Monopolistic Competition
Q
$
Short Run
High Price
Large Quantity
Long Run
MC
MR D
ATC
Lower Price
Lower Quantity
Profits disappear
in the long run
due to
competition
Q QS
PS
P
L
L
Demand Flattens
Profit
83. Monopolistic Competition
Q
$
Short Run
High Price
Large Quantity
Long Run
MC
MR D
ATC
Lower Price
Lower Quantity
Profits disappear
in the long run
due to
competition
Q QS
PS
P
L
L
Demand Flattens
Profit
84. Monopolistic Competition
Q
$
Short Run
High Price
Large Quantity
Long Run
MC
MR D
ATC
Lower Price
Lower Quantity
Profits disappear
in the long run
due to
competition
Q QS
PS
P
L
L
Demand Flattens
Profit
85. Monopolistic Competition
Q
$
Short Run
High Price
Large Quantity
Long Run
MC
MR D
ATC
Lower Price
Lower Quantity
Profits disappear
in the long run
due to
competition
Q QS
PS
P
L
L
Demand Flattens
Profit
90. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
91. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
92. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
93. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
94. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
95. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
QSR
PSR
96. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
97. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
98. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
99. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
100. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
101. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Long Run
Demand
Long Run
Marginal
Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
102. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Long Run
Demand
Long Run
Marginal
Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
103. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Long Run
Demand
Long Run
Marginal
Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
104. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Long Run
Demand
Long Run
Marginal
Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
105. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Long Run
Demand
Long Run
Marginal
Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
QLR
PLR
106. Q
$
Market Competition
Short Run
Demand
Short Run
Marginal Revenue
Long Run
Demand
Long Run
Marginal
Revenue
Marginal
Costs
Average
Total
Costs
QSR
PSR
QLR
PLR
107. Quiz
Name and ID#
1. Name the four market structures.
2. What does the demand curve look like in
perfect competition?
3. Why is marginal revenue different than
demand in a monopoly?
4. Where are profits maximized or losses
minimized?