Consider the following supply and demand curves for buying shrimps. Shrimps produce positive externalities; in addition to the benefit they generate for those who consume them, they filter impurities from the water they grow in, which benefits everyone who uses the water. This is represented in the following graph, which shows a higher marginal social benefit than marginal private benefit.   What is the socially efficient number of oysters to be sold?

Economics (MindTap Course List)
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ISBN:9781337617383
Author:Roger A. Arnold
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Chapter30: Market Failure: Externalities, Public Goods, And Asymmetric Information
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Consider the following supply and demand curves for buying shrimps. Shrimps produce positive externalities; in addition to the benefit they generate for those who consume them, they filter impurities from the water they grow in, which benefits everyone who uses the water. This is represented in the following graph, which shows a higher marginal social benefit than marginal private benefit.

 

  1. What is the socially efficient number of oysters to be sold?
$180
S = MPC = MSC
$140
$108
MSB
$60
D = MPB
40
72
Q
Transcribed Image Text:$180 S = MPC = MSC $140 $108 MSB $60 D = MPB 40 72 Q
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