More Related Content
Similar to ch17 MICRO ECONOMICS (20)
ch17 MICRO ECONOMICS
- 2. Figure 1 The Four Types of Market Structure
Copyright © 2004 South-Western
• Tap water
• Cable TV
Monopoly
(Chapter 15)
• Novels
• Films
Monopolistic
Competition
(Chapter 17)
• Tennis balls
• Crude oil
Oligopoly
(Chapter 16)
Number of Firms?
Perfect
• Wheat
• Milk
Competition
(Chapter 14)
Type of Products?
Identical
products
Differentiated
products
One
firm
Few
firms
Many
firms
- 3. Figure 1 Monopolistic Competition in the Short Run
Copyright©2003 Southwestern/Thomson Learning
Quantity
0
Price
Profit-
maximizing
quantity
Price
Demand
MR
ATC
(a) Firm Makes Profit
Average
total cost
Profit
MC
- 4. Figure 1 Monopolistic Competitors in the Short Run
Copyright©2003 Southwestern/Thomson Learning
Demand
Quantity
0
Price
Price
Loss-
minimizing
quantity
Average
total cost
(b) Firm Makes Losses
MR
Losses
ATC
MC
- 5. Figure 2 A Monopolistic Competitor in the Long Run
Copyright©2003 Southwestern/Thomson Learning
Quantity
Price
0
Demand
MR
ATC
MC
Profit-maximizing
quantity
P = ATC
- 6. Figure 3 Monopolistic versus Perfect Competition
Copyright©2003 Southwestern/Thomson Learning
Quantity
0
Price
Demand
(a) Monopolistically Competitive Firm
Quantity
0
Price
P = MC P = MR
(demand
curve)
(b) Perfectly Competitive Firm
MC
ATC
MC
ATC
MR
Efficient
scale
P
Quantity
produced
Quantity produced =
Efficient scale
- 7. Figure 3 Monopolistic versus Perfect Competition
Copyright©2003 Southwestern/Thomson Learning
Quantity
0
Price
Demand
(a) Monopolistically Competitive Firm
Quantity
0
Price
P = MC P = MR
(demand
curve)
(b) Perfectly Competitive Firm
mark-up
MC
ATC
MC
ATC
MR
Marginal
cost
P
Quantity
produced
Quantity produced
- 8. Figure 3 Monopolistic versus Perfect Competition
Copyright©2003 Southwestern/Thomson Learning
Quantity
0
Price
Demand
(a) Monopolistically Competitive Firm
Quantity
0
Price
P = MC P = MR
(demand
curve)
(b) Perfectly Competitive Firm
mark-up
Excess capacity
MC
ATC
MC
ATC
MR
Marginal
cost
Efficient
scale
P
Quantity
produced
Quantity produced =
Efficient scale