Examlex
Compare and contrast laboratory experiments and field experiments in terms of validity,costs,and time.
Externalities
Costs or benefits arising from an economic activity that affect third parties who did not choose to incur that cost or benefit.
Socially Optimal
A condition where resources are allocated in the most efficient way from the society's point of view, maximizing overall welfare.
Common Resource
A resource like air or water that is not owned by anyone, can be used by everyone, and is difficult to exclude others from using.
Artificially Scarce Good
A product or service whose supply is intentionally restricted to increase its price or value, often contrary to its natural abundance.
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