曼昆微观经济学分册英文版 教材PPT
Analysis of a Negative Externality 负的外部性的分析P $54 3 2 D 1 0
The market for gasolineSocial cost S
Market eq’m (Q = 25) is greater than social optimum (Q = 20) One solution: tax sellers $1/gallon, would shift supply curve up $1.12
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30 Q (gallons)