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    Economics A-Level

    Diminishing marginal returns

    What Diminishing marginal returns means in Economics A-Level, as defined for AQA.

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    Reference: AQA

    As a firm adds variable factors to a fixed factor, marginal cost initially falls but eventually rises, creating a U-shaped marginal cost curve.
    AQA · Costs of production
    What firms eventually face when they alter output in the short run by changing variable factors, such as labour.
    AQA · The law of diminishing returns and returns to scale
    The law that makes the Marginal Cost curve U-shaped in the short run.
    AQA · Costs of production

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