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Question
Microeconomics
Posted 5 months ago

A market where a tax has been imposed

Choose 1 answer:
(A) 3×($13$11)3 \times(\$ 13-\$ 11)
(B) 12(3)×($16$13)\frac{1}{2}(3) \times(\$ 16-\$ 13)
(C) 12($13$7)×(53)\frac{1}{2}(\$ 13-\$ 7) \times(5-3)
(D) 12(5)×($16$11)\frac{1}{2}(5) \times(\$ 16-\$ 11)
(E) 3×($11$7)3 \times(\$ 11-\$ 7)
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Answer from Sia
Posted 5 months ago
Solution
a
Identify the area of interest: The graph shows a market where a tax has been imposed. The intersection of the supply (S1) and demand (D) curves is at (5,11)
b
Determine the relevant points: The points of interest are (3,7) on the supply curve and (3,13) on the demand curve
c
Calculate the area of the triangle: The area of the triangle formed by these points represents the deadweight loss due to the tax. The base of the triangle is 53=25-3=2 and the height is 137=613-7=6
d
Apply the formula for the area of a triangle: The area is given by 12×base×height=12×2×6=6\frac{1}{2} \times \text{base} \times \text{height} = \frac{1}{2} \times 2 \times 6 = 6
e
Match the calculation with the given options: The correct option is (C) 12(137)×(53)\frac{1}{2}(13-7) \times (5-3)
Answer
(C) 12(137)×(53)\frac{1}{2}(13-7) \times (5-3)
Key Concept
Deadweight Loss
Explanation
The deadweight loss due to a tax is represented by the area of the triangle formed between the supply and demand curves at the new quantity and the original equilibrium quantity.

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