Externality and remedies through controlling social behaviour.
The decisions made by individuals, households, and enterprises about their consumption, manufacturing, and investment activities usually have an effect on others who are not directly involved in the transactions.These incidental impacts can occasionally be slight. However, when they are significant, or what economists refer to as externalities, they can cause issues.
Light pollution is an example of an externality since people who utilise street lighting have an impact on people who are passing by that is not offset by them.
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