Examlex
The processes of natural selection are non-random and lead to the incorporation of only favorable traits in succeeding generations.
Market Forces
The natural forces of supply and demand that govern the functioning of the free market, determining prices and production levels.
Rival
Describes a good or resource that cannot be consumed by more than one person or entity at the same time without diminishing its availability to another.
Nonexclusive
A property of a good or service where one person's use does not diminish availability to others.
External Benefit
A benefit that results from an economic activity which accrues to unrelated third parties.
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