Externalities - An externality is such type of outcome which is not directly incureed by the producer but its consequences are incurred by society as a whole. The externalities can be negative as well as positive.
Negative externality- A externality that has a negative and harmful effect on society, as well as firms, are called negative externalities.
Positive externality - An outcome of the decisions and execution of a company that has led to positive consequences for both company and the society.
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