Suppose the external costs of gasoline are estimated at $1.60 per gallon. The current tax on gas in a state (including the federal and state taxes) is $0.80 per gallon. The table shows the quantities of gas demanded (QD) and supplied (Qs) in millions of gallons at different prices (P) in dollars per gallon in the market for gasoline with no tax. Assume that the demand curve and the supply curve are straight lines. QD P 5.50 5.10 4.70 4.30 3.90 3.50 3.10 2.70 12 16 20 24 28 32 36 40 Qs 44 40 36 32 28 24 20 16 With the tax in effect, the equilibrium quantity of gas traded in the market is 5 x (24) million gallons, the marginal benefit received by gas consumers is $10x (4.30) per gallon, the marginal is social cost of gas is $20 x (5.10) per gallon, the socially optimal (efficient) quantity of gas 11 x (20) million gallons, and the deadweight loss is $6 x (1.6) million.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Suppose the external costs of gasoline are estimated at $1.60 per gallon. The current tax on gas in a state
(including the federal and state taxes) is $0.80 per gallon. The table shows the quantities of gas demanded
(QD) and supplied (Qs) in millions of gallons at different prices (P) in dollars per gallon in the market for
gasoline with no tax. Assume that the demand curve and the supply curve are straight lines.
P
5.50
5.10
4.70
4.30
3.90
3.50
3.10
2.70
QD
12
16
20
24
28
32
36
40
Qs
44
40
36
32
28
24
20
16
5x (24) million.
With the tax in effect, the equilibrium quantity of gas traded in the market is
gallons, the marginal benefit received by gas consumers is $10x (4.30) per gallon, the marginal
social cost of gas is $ 20x (5.10) per gallon, the socially optimal (efficient) quantity of gas is
11 x (20) million gallons, and the deadweight loss is $6x (1.6) million.
Transcribed Image Text:Suppose the external costs of gasoline are estimated at $1.60 per gallon. The current tax on gas in a state (including the federal and state taxes) is $0.80 per gallon. The table shows the quantities of gas demanded (QD) and supplied (Qs) in millions of gallons at different prices (P) in dollars per gallon in the market for gasoline with no tax. Assume that the demand curve and the supply curve are straight lines. P 5.50 5.10 4.70 4.30 3.90 3.50 3.10 2.70 QD 12 16 20 24 28 32 36 40 Qs 44 40 36 32 28 24 20 16 5x (24) million. With the tax in effect, the equilibrium quantity of gas traded in the market is gallons, the marginal benefit received by gas consumers is $10x (4.30) per gallon, the marginal social cost of gas is $ 20x (5.10) per gallon, the socially optimal (efficient) quantity of gas is 11 x (20) million gallons, and the deadweight loss is $6x (1.6) million.
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