曼昆微观经济学分册英文版 教材PPT
ACTIVE LEARNING
1:Socially optimal Q = 25 shots To internalize the externality, use subsidy = $10/shot.S
AnswersP The market for flu shots$50 40 30 20 10 0 0 10 20 25 30 external benefit
Social value = private value + external benefitD
Q16