Uploaded by Cloris Mok

Supplementary Topic 7 EntryandExitEffect

advertisement
The Adjustment Graphically
Initial market conditions
MC
Price of Wheat ($)
S
ATC
Pe
d = MR
Break-even
D
Qe
Quantity of Wheat
(industry)
qe
Quantity of Wheat
(firm)
The Adjustment Graphically
European crop failure increases U.S. Demand
MC
Price of Wheat ($)
S1
ATC
P2
d2
P1
d1
D2
D1
Q1 Q1
Quantity of Wheat
(industry)
Higher price creates
economic profit
q1 q2
Quantity of Wheat
(firm)
The Adjustment Graphically
Economic profit attracts new firms
Price fall to break-even
MC
Price of Wheat ($)
S1
S2
ATC
d1
P1
D2
D1
Q1
Quantity of Wheat
(industry)
q1
Quantity of Wheat
(firm)
The Adjustment Graphically
Reaction to losses
MC
Price of Wheat ($)
S
ATC
ATC
Pe
d = MR
D
Qe
Quantity of Wheat
(industry)
qe
Quantity of Wheat
(firm)
The Adjustment Graphically
Losses signal for resources to leave the market
Supply falls and price increases to break-even
Price of Wheat ($)
S2
MC
S1
ATC
P2
P1
d = MR
Break-even
D
Q1
Quantity of Wheat
(industry)
q1
Quantity of Wheat
(firm)
Download