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A shift from S1 to S2 reflects the change that happens when a negative externality is taken into account. A shift from D1 to D2 reflects the change that happens when a positive externality is taken into account.
-Refer to the above figures. A negative externality existed but has been corrected. Price and quantity will be
Nonexclusive
A characteristic of a good or service that allows multiple users to use or consume it simultaneously without excluding others.
Public Good
A product or service that is provided without profit to all members of a society, either by the government or a private individual or organization.
Public Good
A good that is non-excludable and non-rivalrous, meaning its consumption by one individual does not reduce its availability to others and people cannot be effectively excluded from using it.
Public Good
A good that is non-excludable and non-rivalrous, meaning it can be used simultaneously by more than one person without reducing its availability to others.
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