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Economic Definition of MES. Defined.

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Term MES Definition: The abbreviation for minimum efficient scale, which is the quantity of production that places a firm at the lowest point on its long-run average cost curve. The minimum efficient scale is highly prized by economists because it achieves production of a good at the lowest possible opportunity cost. In other words, it's not possible to produced a good any cheaper than at the minimum efficient scale. At this quantity the production involves foregoing the least amount of other goods.


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