Examlex
What are the two broad categories of psychological tests
Externality
An effect of economic behavior that impacts people not directly involved in the transaction, which may be beneficial or harmful.
Socially Optimal Quantity
The socially optimal quantity is the level of production of a good or service that maximizes societal welfare, considering both private and external benefits and costs.
Seller
A seller is an individual or entity that offers goods or services for sale in the market.
Buyer
An individual or entity that acquires goods or services in exchange for money, playing a crucial role in the dynamics of supply and demand in the marketplace.
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