29. An economic side effect of a good or service that generates benefits or costs to someone other than the person deciding how much to produce or consume is called an:

A. patent
B. externality
C. efficiency
D. opportunity cost



Answer :

Final answer:

Externalities in economics are costs or benefits that affect parties not involved in decision-making, either positively or negatively.


Explanation:

Externalities in economics refer to costs or benefits that affect a party who did not choose to incur them. They can be positive (beneficial to others) or negative (detrimental to others). An example of a negative externality is pollution, where individuals not involved in manufacturing suffer the consequences.


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