Examlex
How can winds be observed by satellites?
Nonexcludability
A characteristic of certain goods where it is difficult or impossible to prevent someone from using the good once it has been provided.
Optimal Quantity
The amount of a good or service that yields the maximum benefit or utility to the consumer or producer.
Marginal Cost
The cost of producing one additional unit of a good or service, important in making decisions about production levels and pricing.
Public Good
Goods or services that are non-excludable and non-rivalrous, meaning they can be used by many without diminishing availability to others.
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