Which fundamental assumption of free-market economics suggests that people are acquisitive and always want more-for less?

Question

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The fundamental assumption of self-interest in free-market economics suggests that people are acquisitive and always want more-for less. This means that individuals act in their own self-interest to maximize their own happiness and minimize their own pain, and they are incentivized to do so through the market system. This assumption is a key driver of the competitive behavior in free markets that leads to efficiency and innovation.

Which Fundamental Assumption of Free-Market Economics Suggests That People Are