Examlex
Rainfall naturally has a neutral pH.
Efficient Outcome
A situation where resources are allocated in the most effective manner, leaving no room for improvement without making someone worse off.
Marginal Social Benefit
The additional benefit to society from consuming one more unit of a good or service.
Nonrival Good
Good for which the marginal cost of its provision to an additional consumer is zero.
Marginal Social Cost
The additional cost to society of producing one extra unit of a good or service, considering both private costs and externalities.
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