Examlex
Identify the three functions of the invariant chain.
Nonpaying Customers
Individuals or entities that receive goods or services without providing payment or compensation.
External Benefits
refer to positive effects of a transaction or activity on third parties who are not directly involved in the transaction.
Economic Efficiency
A situation in which resources are optimally allocated to serve each individual or entity in the best way while minimizing waste and inefficiency.
Market
A system or an environment where buyers and sellers interact to trade goods, services, or financial instruments.
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