This concept speaks to the fact that having more of something eventually provides less additional satisfaction:

Name: This concept speaks to the fact that having more of something eventually provides less additional satisfaction:
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Diminishing marginal utility is the economic principle that as a person increases consumption of a product, there is a decline in the marginal utility (satisfaction or benefit) that person derives from consuming each additional unit of that product.

This Concept Speaks to the Fact That Having More of Something