The graph below illustrates a market for cigarettes. Price of cigarettes $10 $8 $7 1 1 Marginal social cost Marginal private cost 120 180 Demand Quantity of cigarettes (millions of packs) A. Does the graph suggest that there are positive or negative externalities associated with cigarettes? B. Find the equilibrium price and quantity. C. What is the socially optimal quantity? D. According to the graph, what is the marginal external cost of a pack of cigarettes?

Economics (MindTap Course List)
13th Edition
ISBN:9781337617383
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter30: Market Failure: Externalities, Public Goods, And Asymmetric Information
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The graph below illustrates a market for cigarettes.
Price of
cigarettes
$10
$8
$7
1
1
Marginal
social cost
Marginal
private cost
120
180
Demand
Quantity of cigarettes
(millions of packs)
A. Does the graph suggest that there are positive or negative externalities associated with
cigarettes?
B. Find the equilibrium price and quantity.
C. What is the socially optimal quantity?
D. According to the graph, what is the marginal external cost of a pack of cigarettes?
Transcribed Image Text:The graph below illustrates a market for cigarettes. Price of cigarettes $10 $8 $7 1 1 Marginal social cost Marginal private cost 120 180 Demand Quantity of cigarettes (millions of packs) A. Does the graph suggest that there are positive or negative externalities associated with cigarettes? B. Find the equilibrium price and quantity. C. What is the socially optimal quantity? D. According to the graph, what is the marginal external cost of a pack of cigarettes?
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